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40.3k
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stringlengths 10
5.15k
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stringlengths 1
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|---|---|---|---|
35,600 | Two sectors of a circle of radius $12$ are placed side by side, as shown. Determine the $\textit{area}$ of figure $ABCD.$ [asy]
draw((0,0)--(12,0)..(10.3923,6)..(6,10.3923)--(-6,10.3923)..(-4.3923,4.3923)..(0,0),black+linewidth(1));
draw((0,0)--(6,10.3923),black+linewidth(1)+dashed);
label("$A$",(-6,10.3923),NW);
label("$B$",(6,10.3923),NE);
label("$C$",(12,0),SE);
label("$D$",(0,0),SW);
label("$60^\circ$",(2,1));
label("$60^\circ$",(4,9.3923));
[/asy] | 48\pi | 58.59375 |
35,601 | The volume of a cylinder is $54\pi$ $\text{cm}^3$. How many cubic centimeters are in the volume of a cone with the same radius and height as the cylinder? Express your answer in terms of $\pi$. [asy]
import solids; currentprojection=orthographic(0,100,25); defaultpen(linewidth(0.8));
revolution cyl = cylinder((5,0,0),1,5,Z);
revolution cone = cone((0,0,0),1,5,Z);
draw(cyl,backpen=dashed);
draw(cone,backpen=dashed);
[/asy] | 18\pi | 99.21875 |
35,602 | Suppose that there are two congruent triangles $\triangle ABC$ and $\triangle ACD$ such that $AB = AC = AD,$ as shown in the following diagram. If $\angle BAC = 20^\circ,$ then what is $\angle BDC$? [asy]
pair pA, pB, pC, pD;
pA = (0, 0);
pB = pA + dir(240);
pC = pA + dir(260);
pD = pA + dir(280);
draw(pA--pB--pC--pA);
draw(pA--pC--pD--pA);
label("$A$", pA, N);
label("$B$", pB, SW);
label("$C$", pC, S);
label("$D$", pD, E);
[/asy] | 10^\circ | 4.6875 |
35,603 | A right circular cone sits on a table, pointing up. The cross-section triangle, perpendicular to the base, has a vertex angle of 60 degrees. The diameter of the cone's base is $12\sqrt{3}$ inches. A sphere is placed inside the cone so that it is tangent to the sides of the cone and sits on the table. What is the volume, in cubic inches, of the sphere? Express your answer in terms of $\pi$. | 288\pi | 52.34375 |
35,604 | An 8-foot by 10-foot floor is tiled with square tiles of size 1 foot by 1 foot. Each tile has a pattern consisting of four white quarter circles of radius 1/2 foot centered at each corner of the tile. The remaining portion of the tile is shaded. How many square feet of the floor are shaded?
[asy]
fill((5,5)--(5,-5)--(-5,-5)--(-5,5)--cycle,gray(0.7));
fill(Circle((-5,5),5),white);
fill(Circle((5,5),5),white);
fill(Circle((-5,-5),5),white);
fill(Circle((5,-5),5),white);
draw((-5,5)--(-5,-5)--(5,-5)--(5,5)--cycle);
[/asy] | 80 - 20\pi | 93.75 |
35,605 | Six boys stood equally spaced on a circle of radius 40 feet. Each boy walked to all of the other non-adjacent persons on the circle, shook their hands and then returned to his original spot on the circle before the next boy started his trip to shake hands with all of the other non-adjacent boys on the circle. After all six boys had done this, what is the least distance in feet that could have been traveled? Express your answer in simplest radical form. | 480 + 480\sqrt{3}\text{ feet} | 3.90625 |
35,606 | What is the area of the triangle bounded by the lines $y=x,$ $y=-x,$ and $y=6$? | 36 | 99.21875 |
35,607 | In $\Delta ABC$, $\overline{DE} \parallel \overline{AB}, CD = 4$ cm, $DA = 10$ cm, and $CE = 6$ cm. What is the number of centimeters in the length of $\overline{CB}$?
[asy]pair A,B,C,D,E;
A = (-2,-4); B = (4,-4); C = (0,0); D = A/3; E = B/3;
draw(E--D--C--B--A--D);
label("A",A,W); label("B",B,dir(0)); label("C",C,N); label("D",D,W);
label("E",E,dir(0));
[/asy] | 21 | 81.25 |
35,608 | Kadin makes a snowman by stacking snowballs of radius 2 inches, 3 inches, and 5 inches. Assuming all his snowballs are spherical, what is the total volume of snow he uses, in cubic inches? Express your answer in terms of $\pi$. | \frac{640}{3}\pi | 44.53125 |
35,609 | Circle $C$ has radius 6 cm. How many square centimeters are in the area of the largest possible inscribed triangle having one side as a diameter of circle $C$? | 36 | 90.625 |
35,610 | Circle $A$ has its center at $A(4, 4)$ and has a radius of 4 units. Circle $B$ has its center at $B(12, 4)$ and has a radius of 4 units. What is the area of the gray region bound by the circles and the $x$-axis? Express your answer in terms of $\pi$. [asy]
import olympiad; size(150); defaultpen(linewidth(0.8));
xaxis(0,16,Ticks("%",1.0));
yaxis(0,8,Ticks("%",1.0));
fill((4,4)--(12,4)--(12,0)--(4,0)--cycle,gray(0.7));
filldraw(circle((4,4),4),fillpen=white);
filldraw(circle((12,4),4),fillpen=white);
dot("$A$",(4,4),S); dot("$B$",(12,4),S);
[/asy] | 32 - 8\pi | 48.4375 |
35,611 | What is the area, in square units, of a triangle whose vertices are at $(4, -1)$, $(10, 3)$ and $(4, 5)$? | 18 | 86.71875 |
35,612 | Jimmy owns a cube-shaped container that measures $10$ inches on each side. He fills this container with water until it is half full. Then he throws ten giant ice cubes that measure $2$ inches on each side into the container. In inches cubed, how much of the container is unoccupied by ice or water? | 420 | 92.1875 |
35,613 | A circle having center $(0,k)$, with $k>6$, is tangent to the lines $y=x$, $y=-x$ and $y=6$. What is the radius of this circle? | 6\sqrt{2}+6 | 1.5625 |
35,614 | In the figure shown, segment $AB$ is parallel to segment $YZ$. If $AZ = 42$ units, $BQ = 12$ units, and $QY = 24$ units, what is the length of segment $QZ$? [asy]
import olympiad; import geometry; size(150); defaultpen(linewidth(0.8));
pair Y = (0,0), Z = (16,0), A = (0,8), B = (6,8);
draw(A--B--Y--Z--cycle);
label("$A$",A,W); label("$B$",B,E); label("$Y$",Y,W); label("$Z$",Z,E);
pair Q = intersectionpoint(A--Z,B--Y);
label("$Q$",Q,E);
[/asy] | 28 | 72.65625 |
35,615 | In the diagram, point $E$ lies on line segment $AB$, and triangles $AED$ and $BEC$ are isosceles. Also, $\angle DEC$ is twice $\angle ADE$. What is the measure of $\angle EBC$ in degrees? [asy]
import olympiad;
import math;
size(7cm);
// Draw triangles
pair a = (-2 * Cos(70), 0);
pair b = (1, 0);
pair c = dir(30);
pair d = dir(110);
pair e = (0, 0);
draw(a--d--e--cycle);
draw(e--b--c--cycle);
// Labels
label("$A$", a, W); label("$B$", b, E);
label("$C$", c, N); label("$D$", d, N);
label("$E$", e, S); label("$70^\circ$", a, 2 * NE+ 0.5 * E);
// Ticks
add(pathticks(a--d, s=2));
add(pathticks(d--e, s=2));
add(pathticks(e--c, 2, spacing=0.7, s=2));
add(pathticks(e--b, 2, spacing=0.7, s=2));
[/asy] | 75^\circ | 0 |
35,616 | A circle of radius 1 is surrounded by 4 circles of radius $r$ as shown. What is $r$?
[asy]
unitsize(0.6cm);
for(int i=0; i<2; ++i){
for(int j=0; j<2; ++j){
draw(Circle((-2.4+4.8i,-2.4+4.8j),2.4),linewidth(0.7));
draw((-2.4+4.8i,-2.4+4.8j)--(-0.7+4.8i,-0.7+4.8j));
label("$r$",(-1.5+4.8i,-1.5+4.8j),SE);
};
}
draw(Circle((0,0),1),linewidth(0.7));
draw((0,0)--(1,0));
label("1",(0.5,0),S);
[/asy] | 1+\sqrt{2} | 43.75 |
35,617 | In right triangle $ABC$, $AB=10$, $AC=6$ and $BC=8$ units. What is the distance from $C$ to the midpoint of segment $AB$? | 5 | 63.28125 |
35,618 | What is the ratio of the area of a square inscribed in a semicircle with radius $r$ to the area of a square inscribed in a circle with radius $r$? Express your answer as a common fraction. | \dfrac{2}{5} | 80.46875 |
35,619 | How many units are in the sum of the lengths of the two longest altitudes in a triangle with sides $8,$ $15,$ and $17$? | 23 | 85.15625 |
35,620 | Fido's leash is tied to a stake at the center of his yard, which is in the shape of a regular hexagon. His leash is exactly long enough to reach the midpoint of each side of his yard. If the fraction of the area of Fido's yard that he is able to reach while on his leash is expressed in simplest radical form as $\frac{\sqrt{a}}{b}\pi$, what is the value of the product $ab$? | 18 | 57.8125 |
35,621 | Let $C$ be a point not on line $AE$ and $D$ a point on line $AE$ such that $CD \perp AE.$ Meanwhile, $B$ is a point on line $CE$ such that $AB \perp CE.$ If $AB = 4,$ $CD = 8,$ and $AE = 5,$ then what is the length of $CE?$ | 10 | 72.65625 |
35,622 | The area of rectangle $ABCD$ with vertices $A$(0, 0), $B$(0, 4), $C$($x$, 4) and $D$($x$, 0) is 28 square units. If $x > 0$, what is the value of $x$? | 7 | 96.875 |
35,623 | An equilateral triangle shares a common side with a square as shown. What is the number of degrees in $m\angle CDB$? [asy] pair A,E,C,D,B; D = dir(60); C = dir(0); E = (0,-1); B = C+E; draw(B--D--C--B--E--A--C--D--A); label("D",D,N); label("C",C,dir(0)); label("B",B,dir(0));
[/asy] | 15 | 10.9375 |
35,624 | In rectangle $ADEH$, points $B$ and $C$ trisect $\overline{AD}$, and points $G$ and $F$ trisect $\overline{HE}$. In addition, $AH=AC=2$. What is the area of quadrilateral $WXYZ$ shown in the figure?
[asy]
unitsize(1cm);
pair A,B,C,D,I,F,G,H,U,Z,Y,X;
A=(0,0);
B=(1,0);
C=(2,0);
D=(3,0);
I=(3,2);
F=(2,2);
G=(1,2);
H=(0,2);
U=(1.5,1.5);
Z=(2,1);
Y=(1.5,0.5);
X=(1,1);
draw(A--D--I--H--cycle,linewidth(0.7));
draw(H--C,linewidth(0.7));
draw(G--D,linewidth(0.7));
draw(I--B,linewidth(0.7));
draw(A--F,linewidth(0.7));
label("$A$",A,SW);
label("$B$",B,S);
label("$C$",C,S);
label("$D$",D,SE);
label("$E$",I,NE);
label("$F$",F,N);
label("$G$",G,N);
label("$H$",H,NW);
label("$W$",U,N);
label("$X$",X,W);
label("$Y$",Y,S);
label("$Z$",Z,E);
[/asy] | \frac{1}{2} | 17.1875 |
35,625 | A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio of the area of the larger hexagon to the area of the smaller hexagon? Express your answer as a common fraction. | \frac{4}{3} | 70.3125 |
35,626 | Medians $\overline{DP}$ and $\overline{EQ}$ of $\triangle DEF$ are perpendicular. If $DP= 18$ and $EQ = 24$, then what is ${DE}$? | 20 | 63.28125 |
35,627 | Suppose $\sin N = \frac{2}{3}$ in the diagram below. What is $LN$?
[asy]
pair L,M,N;
M = (0,0);
N = (17.89,0);
L = (0,16);
draw(L--M--N--L);
draw(rightanglemark(L,M,N,18));
label("$M$",M,SW);
label("$N$",N,SE);
label("$L$",L,NE);
label("$16$",L/2,W);
[/asy] | 24 | 90.625 |
35,628 | A circle of radius $2$ has center at $(2,0)$. A circle of radius $1$ has center at $(5,0)$. A line is tangent to the two circles at points in the first quadrant. What is the $y$-intercept of the line? | 2\sqrt{2} | 20.3125 |
35,629 | Consider the set of points that are inside or within one unit of a rectangular parallelepiped (box) that measures 3 by 4 by 5 units. Given that the volume of this set is $\displaystyle {{m+n\pi}\over
p}$, where $m$, $n$, and $p$ are positive integers, and $n$ and $p$ are relatively prime, find $m+n+p$. | 505 | 40.625 |
35,630 | Two circles are centered at the origin, as shown. The point $P(8,6)$ is on the larger circle and the point $S(0,k)$ is on the smaller circle. If $QR=3$, what is the value of $k$?
[asy]
unitsize(0.2 cm);
defaultpen(linewidth(.7pt)+fontsize(10pt));
dotfactor=4;
draw(Circle((0,0),7)); draw(Circle((0,0),10));
dot((0,0)); dot((7,0)); dot((10,0)); dot((0,7)); dot((8,6));
draw((0,0)--(8,6));
label("$S (0,k)$",(0,7.5),W);
draw((13,0)--(0,0)--(0,13),Arrows(TeXHead));
draw((-13,0)--(0,0)--(0,-13));
label("$x$",(13,0),E); label("$y$",(0,13),N); label("$P(8,6)$",(8,6),NE);
label("$O$",(0,0),SW); label("$Q$",(7,0),SW); label("$R$",(10,0),SE);
[/asy] | 7 | 67.1875 |
35,631 | A circle of radius 1 is internally tangent to two circles of radius 2 at points $A$ and $B$, where $AB$ is a diameter of the smaller circle. What is the area of the region, shaded in the figure, that is outside the smaller circle and inside each of the two larger circles? Express your answer in terms of $\pi$ and in simplest radical form.
[asy]
unitsize(1cm);
pair A = (0,-1), B = (0,1);
fill(arc(A,2,30,90)--arc((0,0),1,90,-90)--arc(B,2,270,330)--cycle,gray(0.7));
fill(arc(A,2,90,150)--arc(B,2,210,270)--arc((0,0),1,270,90)--cycle,gray(0.7));
draw(Circle((0,-1),2));
draw(Circle((0,1),2));
draw(Circle((0,0),1));
draw((0,0)--(0.71,0.71),Arrow);
draw((0,-1)--(-1.41,-2.41),Arrow);
draw((0,1)--(1.41,2.41),Arrow);
dot((0,-1));
dot((0,1));
label("$A$",A,S);
label("$B$",B,N);
label("2",(0.7,1.7),N);
label("2",(-0.7,-1.7),N);
label("1",(0.35,0.35),N);
[/asy] | \frac{5}{3}\pi - 2\sqrt{3} | 0 |
35,632 | $ABC$ is an equilateral triangle with sides equal to 2cm. $\overline{BC}$ is extended its own length to $D$, and $E$ is the midpoint of $\overline{AB}$. Suppose $\overline{ED}$ meets $\overline{AC}$ at $F$. Find the area of the quadrilateral $BEFC$ in square centimeters.
[asy]
size(200);
draw( (0,0) -- (1/2, .866) --(1,0)--cycle); label("$B$", (0,0), W); label("$C$", (1,0), S); label( "$A$", (1/2, .866), N);
draw( (1/4 , .866/2)--(2,0)); label("$E$", (1/4, .866/2), NW); label("$D$", (2, 0), E); draw((0,0)-- (2,0));
pair t = intersectionpoint( (1/4 , .866/2)--(2,0), (1/2, .866) --(1,0));
label("$F$", t, NE);
[/asy] | \frac{2\sqrt{3}}{3} | 57.03125 |
35,633 | Each vertex of this parallelogram has integer coordinates. The perimeter of this parallelogram is $p$ units, while the area is $a$ square units. What is the value of the sum $p + a$?
[asy]
size(5cm,5cm);
draw((-2,0)--(11,0));
draw((0,-1)--(0,6));
draw((0,0)--(3,4)--(10,4)--(7,0)--cycle);
label("$(3,4)$",(3,4),NW);
label("$(7,0)$",(7,0),S);
[/asy] | 52 | 72.65625 |
35,634 | In the figure, the area of square $WXYZ$ is $25 \text{ cm}^2$. The four smaller squares have sides 1 cm long, either parallel to or coinciding with the sides of the large square. In $\triangle
ABC$, $AB = AC$, and when $\triangle ABC$ is folded over side $\overline{BC}$, point $A$ coincides with $O$, the center of square $WXYZ$. What is the area of $\triangle ABC$, in square centimeters? Express your answer as a common fraction. [asy]
/* AMC8 2003 #25 Problem */
draw((-5, 2.5)--(0,4)--(1,4)--(1,6)--(2,6)--(2,-1)--(1,-1)--(1,1)--(0,1)--cycle);
draw((0,0)--(7,0)--(7,5)--(0,5)--cycle);
label(scale(.6)*"$A$", (-5, 2.5), W);
label(scale(.6)*"$B$", (0,3.75), SW);
label(scale(.6)*"$C$", (0,1.25), NW);
label(scale(.6)*"$Z$", (2,0), SE);
label(scale(.6)*"$W$", (2,5), NE);
label(scale(.6)*"$X$", (7,5), N);
label(scale(.6)*"$Y$", (7,0), S);
label(scale(.6)*"$O$", (4.5, 2.5), NE);
dot((4.5,2.5));
dot((0,-1.5), white);
[/asy] | \frac{27}{4} | 0.78125 |
35,635 | Right $\triangle ABC$ has $AB=3$, $BC=4$, and $AC=5$. Square $XYZW$ is inscribed in $\triangle ABC$ with $X$ and $Y$ on $\overline{AC}$, $W$ on $\overline{AB}$, and $Z$ on $\overline{BC}$. What is the side length of the square?
[asy]
pair A,B,C,W,X,Y,Z;
A=(-9,0); B=(0,12); C=(16,0);
W=(12A+25B)/37;
Z =(12C+25B)/37;
X=foot(W,A,C);
Y=foot(Z,A,C);
draw(A--B--C--cycle);
draw(X--W--Z--Y);
label("$A$",A,SW);
label("$B$",B,N);
label("$C$",C,E);
label("$W$",W,NW);
label("$X$",X,S);
label("$Y$",Y,S);
label("$Z$",Z,NE);
[/asy] | \frac{60}{37} | 6.25 |
35,636 | An acute isosceles triangle, $ABC$, is inscribed in a circle. Through $B$ and $C$, tangents to the circle are drawn, meeting at point $D$. If $\angle ABC = \angle ACB = 2 \angle D$ and $\angle BAC = k \pi$ in radians, then find $k$.
[asy]
import graph;
unitsize(2 cm);
pair O, A, B, C, D;
O = (0,0);
A = dir(90);
B = dir(-30);
C = dir(210);
D = extension(B, B + rotate(90)*(B), C, C + rotate(90)*(C));
draw(Circle(O,1));
draw(A--B--C--cycle);
draw(B--D--C);
label("$A$", A, N);
label("$B$", B, SE);
label("$C$", C, SW);
label("$D$", D, S);
[/asy] | 3/7 | 1.5625 |
35,637 | In triangle $ABC$, $\angle ABC = 90^\circ$ and $AD$ is an angle bisector. If $AB = 90,$ $BC = x$, and $AC = 2x - 6,$ then find the area of $\triangle ADC$. Round your answer to the nearest integer. | 1363 | 10.9375 |
35,638 | Two cross sections of a right hexagonal pyramid are obtained by cutting the pyramid with planes parallel to the hexagonal base. The areas of the cross sections are $216\sqrt{3}$ square feet and $486\sqrt{3}$ square feet. The two planes are $8$ feet apart. How far from the apex of the pyramid is the larger cross section, in feet? | 24 | 88.28125 |
35,639 | The sum of the lengths of the twelve edges of a rectangular box is $140$, and the distance from one corner of the box to the farthest corner is $21$. What is the total surface area of the box? | 784 | 88.28125 |
35,640 | A circle is inscribed in a square, then a square is inscribed in this circle, and finally, a circle is inscribed in this square. What is the ratio of the area of the smaller circle to the area of the larger square? | \frac{\pi}{8} | 82.8125 |
35,641 | The consecutive angles of a particular trapezoid form an arithmetic sequence. If the largest angle measures $120^{\circ}$, what is the measure of the smallest angle? | 60^\circ | 96.875 |
35,642 | A cube has side length $6$. Its vertices are alternately colored black and purple, as shown below. What is the volume of the tetrahedron whose corners are the purple vertices of the cube? (A tetrahedron is a pyramid with a triangular base.)
[asy]
import three;
real t=-0.05;
triple A,B,C,D,EE,F,G,H;
A = (0,0,0);
B = (cos(t),sin(t),0);
D= (-sin(t),cos(t),0);
C = B+D;
EE = (0,0,1);
F = B+EE;
G = C + EE;
H = D + EE;
draw(surface(B--EE--G--cycle),rgb(.6,.3,.6),nolight);
draw(surface(B--D--G--cycle),rgb(.7,.4,.7),nolight);
draw(surface(D--EE--G--cycle),rgb(.8,.5,.8),nolight);
draw(B--C--D);
draw(EE--F--G--H--EE);
draw(B--F);
draw(C--G);
draw(D--H);
pen pu=rgb(.5,.2,.5)+8; pen bk=black+8;
dot(B,pu); dot(C,bk); dot(D,pu); dot(EE,pu); dot(F,bk); dot(G,pu); dot(H,bk);
[/asy] | 72 | 85.15625 |
35,643 | In the diagram, $PQRS$ is a trapezoid with an area of $12.$ $RS$ is twice the length of $PQ.$ What is the area of $\triangle PQS?$
[asy]
draw((0,0)--(1,4)--(7,4)--(12,0)--cycle);
draw((7,4)--(0,0));
label("$S$",(0,0),W);
label("$P$",(1,4),NW);
label("$Q$",(7,4),NE);
label("$R$",(12,0),E);
[/asy] | 4 | 86.71875 |
35,644 | Sector $OAB$ is a quarter of a circle of radius 3 cm. A circle is drawn inside this sector, tangent at three points as shown. What is the number of centimeters in the radius of the inscribed circle? Express your answer in simplest radical form. [asy]
import olympiad; import geometry; size(100); defaultpen(linewidth(0.8));
draw(Arc(origin,3,90,180));
draw((-3,0)--(origin)--(0,3));
real x = 3/(1 + sqrt(2));
draw(Circle((-x,x),x)); label("$B$",(0,3),N); label("$A$",(-3,0),W);
label("$O$",(0,0),SE); label("3 cm",(0,0)--(-3,0),S);
[/asy] | 3\sqrt{2}-3 | 31.25 |
35,645 | Find the area of a triangle with side lengths 8, 9, and 9. | 4\sqrt{65} | 80.46875 |
35,646 | In triangle $VWX$ shown, $VX = \sqrt{13}$ and $VW = 3$. What is $\tan V$?
[asy]
pair V,W,X;
W = (0,0);
V = (0,3);
X = (2,0);
draw(V--W--X--V);
draw(rightanglemark(V,W,X,7));
label("$W$",W,SW);
label("$V$",V,NW);
label("$X$",X,SE);
label("$3$",(V+W)/2,NW);
label("$\sqrt{13}$",(V+X)/2,NE);
[/asy] | \frac{2}{3} | 87.5 |
35,647 | An isosceles triangle has side lengths 8 cm, 8 cm and 10 cm. The longest side of a similar triangle is 25 cm. What is the perimeter of the larger triangle, in centimeters? | 65 | 97.65625 |
35,648 | Compute $\sin 315^\circ$. | -\frac{\sqrt{2}}{2} | 100 |
35,649 | Find $AX$ in the diagram.
[asy]
import markers;
real t=.56;
pair A=(0,0);
pair B=(3,2);
pair C=(.5,1.5);
pair X=t*A+(1-t)*B;
draw(C--A--B--C--X);
label("$A$",A,SW);
label("$B$",B,E);
label("$C$",C,N);
label("$X$",X,SE);
markangle(n=1,radius=15,A,C,X,marker(markinterval(stickframe(n=1),true)));
markangle(n=1,radius=15,X,C,B,marker(markinterval(stickframe(n=1),true)));
label("$24$",.5*(B+X),SE);
label("$28$",.5*(B+C),N);
label("$21$",.5*(A+C),NW);
[/asy] | 18 | 54.6875 |
35,650 | In the diagram below, points $A$, $B$, $C$, and $P$ are situated so that $PA=2$, $PB=3$, $PC=4$, and $BC=5$. What is the maximum possible area of $\triangle ABC$? [asy]
defaultpen(linewidth(0.8)); size(150);
pair B = (0,0), C = (5,0), A = (2,3), P = (2.2,2);
draw(A--B--C--cycle^^B--P^^C--P^^A--P);
label("$A$",A,N); label("$B$",B,S); label("$C$",C,S); label("$P$",P,S);
[/asy] | 11 | 10.15625 |
35,651 | A right triangle with legs $10$ and $8$ is similar to another right triangle with corresponding legs $x$ and $5$, respectively. What is the value of $x$? Express your answer as a decimal to the nearest hundredth. | 6.25 | 84.375 |
35,652 | Pentagon ABCDE has a vertical line of symmetry. What is the $y$-coordinate of vertex C so that the area of the pentagon is 40 square units? [asy]
unitsize(2mm);
defaultpen(linewidth(.7pt)+fontsize(8pt));
dotfactor=4;
pair A=(0,0), B=(0,4), C=(2,16), D=(4,4), E=(4,0);
pair[] dots={A,B,C,D,E};
draw(B--C--D--E);
dot(dots);
axes(Arrows(4));
label("A(0,0)",A,SW);
label("E(4,0)",E,SE);
label("D(4,4)",D,NE);
label("C",C,NE);
label("B(0,4)",B,NW);
[/asy] | 16 | 58.59375 |
35,653 | Altitudes $\overline{AD}$ and $\overline{BE}$ of $\triangle ABC$ intersect at $H$. If $\angle BAC = 46^\circ$ and $\angle ABC = 71^\circ$, then what is $\angle AHB$?
[asy]
size(150); defaultpen(linewidth(0.8));
pair B = (0,0), C = (3,0), A = (1.8,2), P = foot(A,B,C), Q = foot(B,A,C),H = intersectionpoint(B--Q,A--P);
draw(A--B--C--cycle);
draw(A--P^^B--Q);
label("$A$",A,N); label("$B$",B,W); label("$C$",C,E); label("$D$",P,S); label("$E$",Q,E); label("$H$",H,NW);
draw(rightanglemark(C,P,H,3.5));
draw(rightanglemark(H,Q,C,3.5));
[/asy] | 117^\circ | 75.78125 |
35,654 | What is the total volume in cubic feet of three boxes if each box is a cube with edge length 4 feet? | 192 | 100 |
35,655 | The endpoints of a diameter of circle $M$ are $(-1,-4)$ and $(-7,6)$. What are the coordinates of the center of circle $M$? Express your answer as an ordered pair. | (-4,1) | 24.21875 |
35,656 | Compute $\sin 45^\circ$. | \frac{\sqrt{2}}{2} | 98.4375 |
35,657 | Compute $\cos 270^\circ$. | 0 | 100 |
35,658 | The rectangle with vertices $(-1, y), (7, y), (-1, 3)$, and $(7, 3)$ has an area of 72 square units, and $y$ is positive. What is the value of $y$? | 12 | 98.4375 |
35,659 | In rectangle $ABCD$, $P$ is a point on $BC$ so that $\angle APD=90^{\circ}$. $TS$ is perpendicular to $BC$ with $BP=PT$, as shown. $PD$ intersects $TS$ at $Q$. Point $R$ is on $CD$ such that $RA$ passes through $Q$. In $\triangle PQA$, $PA=20$, $AQ=25$ and $QP=15$. [asy]
size(7cm);defaultpen(fontsize(9));
real sd = 7/9 * 12;
path extend(pair a, pair b) {return a--(10 * (b - a));}
// Rectangle
pair a = (0, 0); pair b = (0, 16); pair d = (24 + sd, 0); pair c = (d.x, b.y);
draw(a--b--c--d--cycle);
label("$A$", a, SW);label("$B$", b, NW);label("$C$", c, NE);label("$D$", d, SE);
// Extra points and lines
pair q = (24, 7); pair s = (q.x, 0); pair t = (q.x, b.y);
pair r = IP(c--d, extend(a, q));
pair p = (12, b.y);
draw(q--a--p--d--r--cycle);draw(t--s);
label("$R$", r, E); label("$P$", p, N);label("$Q$", q, 1.2 * NE + 0.2 * N);label("$S$", s, S); label("$T$", t, N);
// Right angles and tick marks
markscalefactor = 0.1;
draw(rightanglemark(a, b, p)); draw(rightanglemark(p, t, s)); draw(rightanglemark(q, s, d));draw(rightanglemark(a, p, q));
add(pathticks(b--p, 2, spacing=3.4, s=10));add(pathticks(p--t, 2, spacing=3.5, s=10));
// Number labels
label("$16$", midpoint(a--b), W); label("$20$", midpoint(a--p), NW); label("$15$", midpoint(p--q), NE);
label("$25$", midpoint(a--q), 0.8 * S + E);
[/asy] Find the lengths of $BP$ and $QT$.
When writing your answer, first write the length of $BP$, then a comma, and then the length of $QT$. For example, if you find that these lengths are $5$ and $3/4$, respectively, your final answer should be written "5,3/4" (without the quotes). | 12,9 | 33.59375 |
35,660 | The isosceles trapezoid shown has side lengths as labeled. How long is segment AC? [asy]
unitsize(1.5mm);
defaultpen(linewidth(.7pt)+fontsize(10pt));
dotfactor=3;
pair A=(0,0), B=(21,0), C=(15,8), D=(6,8);
pair[] dots={A,B,C,D};
draw(A--B--C--D--cycle);
dot(dots);
label("A",A,SW);
label("B",B,SE);
label("C",C,NE);
label("D",D,NW);
label("9",midpoint(C--D),N);
label("10",midpoint(D--A),NW);
label("21",midpoint(A--B),S);
label("10",midpoint(B--C),NE);
[/asy] | 17 | 52.34375 |
35,661 | What is the smallest possible perimeter, in units, of a triangle whose side-length measures are consecutive integer values? | 9 | 98.4375 |
35,662 | Either increasing the radius or the height of a cylinder by six inches will result in the same volume. The original height of the cylinder is two inches. What is the original radius in inches? | 6 | 91.40625 |
35,663 | Two sectors of a circle of radius $12$ overlap as shown, with $P$ and $R$ as the centers of the respective circles. Determine the area of the shaded region.
[asy]
draw((0,0)--(10.3923,-6)--(20.7846,0)--(10.3923,6)--cycle,black+linewidth(1));
filldraw((10.3923,6)..(12,0)..(10.3923,-6)--cycle,gray,black+linewidth(1));
filldraw((10.3923,6)..(8.7846,0)..(10.3923,-6)--cycle,gray,black+linewidth(1));
label("$P$",(0,0),W);
label("$Q$",(10.3923,6),N);
label("$R$",(20.7846,0),E);
label("$S$",(10.3923,-6),S);
label("$60^\circ$",(0,0),2E);
label("$60^\circ$",(20.7846,0),2W);
[/asy] | 48\pi-72\sqrt{3} | 50.78125 |
35,664 | The sides of triangle $PQR$ are tangent to a circle with center $C$ as shown. Given that $\angle PQR = 65^\circ$ and $\angle QRC = 30^\circ$, find $\angle QPR$, in degrees.
[asy]
unitsize(1.0 cm);
pair Q, P, R, C;
Q = (2.43,3.46);
P = (0,0);
R = (4.43,0);
C = incenter(Q,P,R);
draw(Q--P--R--cycle);
draw(incircle(Q,P,R));
draw(R--C);
label("$Q$", Q, N);
label("$P$", P, SW);
label("$R$", R, SE);
label("$C$", C, N);
[/asy] | 55^\circ | 62.5 |
35,665 | The figure shows two concentric circles. If the length of chord AB is 80 units and chord AB is tangent to the smaller circle, what is the area of the shaded region? Express your answer in terms of $\pi$.
[asy]
defaultpen(linewidth(.8pt));
dotfactor=4;
filldraw(circle((0,0),50),gray);
filldraw(circle((0,0),30),white);
dot((0,0));
draw((-40,30)--(40,30));
label("$A$",(-40,30),W);
label("$B$",(40,30),E);
[/asy] | 1600\pi | 100 |
35,666 | $\Delta ABC$ is isosceles with $AC = BC$. If $m\angle C = 40^{\circ}$, what is the number of degrees in $m\angle CBD$? [asy] pair A,B,C,D,E;
C = dir(65); B = C + dir(-65); D = (1.5,0); E = (2,0);
draw(B--C--A--E); dot(D);
label("$A$",A,S); label("$B$",B,S); label("$D$",D,S); label("$C$",C,N);
[/asy] | 110 | 85.15625 |
35,667 | Find the number of units in the length of diagonal $DA$ of the regular hexagon shown. Express your answer in simplest radical form. [asy]
size(120);
draw((1,0)--(3,0)--(4,1.732)--(3,3.464)--(1,3.464)--(0,1.732)--cycle);
draw((1,0)--(1,3.464));
label("10",(3.5,2.598),NE);
label("$A$",(1,0),SW);
label("$D$",(1,3.464),NW);
[/asy] | 10\sqrt{3} | 10.15625 |
35,668 | A quadrilateral in the plane has vertices $(1, 3)$, $(1, 1)$, $(2, 1)$ and $(2006, 2007)$. How many square units is the area of the quadrilateral? | 3008 | 91.40625 |
35,669 | Let $ABC$ be a triangle with $\angle BAC = 90^\circ$. A circle is tangent to the sides $AB$ and $AC$ at $X$ and $Y$ respectively, such that the points on the circle diametrically opposite $X$ and $Y$ both lie on the side $BC$. Given that $AB = 6$, find the area of the portion of the circle that lies outside the triangle.
[asy]
import olympiad;
import math;
import graph;
unitsize(4cm);
pair A = (0,0);
pair B = A + right;
pair C = A + up;
pair O = (1/3, 1/3);
pair Xprime = (1/3,2/3);
pair Yprime = (2/3,1/3);
fill(Arc(O,1/3,0,90)--Xprime--Yprime--cycle,0.7*white);
draw(A--B--C--cycle);
draw(Circle(O, 1/3));
draw((0,1/3)--(2/3,1/3));
draw((1/3,0)--(1/3,2/3));
draw((1/16,0)--(1/16,1/16)--(0,1/16));
label("$A$",A, SW);
label("$B$",B, down);
label("$C$",C, left);
label("$X$",(1/3,0), down);
label("$Y$",(0,1/3), left);
[/asy] | \pi - 2 | 0 |
35,670 | A sphere is inscribed in a cube. What is the ratio of the volume of the inscribed sphere to the volume of the cube? Express your answer as a common fraction in terms of $\pi$. | \frac{\pi}{6} | 75 |
35,671 | The angles of quadrilateral $ABCD$ satisfy $\angle A = 2\angle B =
3\angle C = 4\angle D$. What is the degree measure of $\angle A$, rounded to the nearest whole number? | 173 | 87.5 |
35,672 | A frustum of a right circular cone is formed by cutting a small cone off of the top of a larger cone. If a particular frustum has a lower base radius of 6 inches, an upper base radius of 3 inches, and a height of 4 inches, what is its lateral surface area? (The lateral surface area of a cone or frustum is the curved surface excluding the base(s).)
[asy]size(200);
import three; defaultpen(linewidth(.8)); currentprojection = orthographic(0,-3,0.5); pen dots = linetype("0 3") + linewidth(1);
real h = 2.3, ratio = (91-24)/(171-24);
picture p1, p2; /* p1 is left-hand picture */
triple A = (0,0,0), B = (0,0,h); draw(p1,(-1,0,0)..(0,-1,0)..(1,0,0)); draw(p1,(-1,0,0)..(0,1,0)..(1,0,0),dots); draw(p1,(-1,0,0)--B--(1,0,0));
add(p1);
triple vlift = (0,0,0.5);
path3 toparc1 = shift((0,0,h*(1-ratio)))*scale3(ratio)*((-1,0,0)..(0,1,0)..(1,0,0)), toparc2 = shift((0,0,h*(1-ratio)))*scale3(ratio)*((1,0,0)..(0,-1,0)..(-1,0,0));
draw(p2,(-1,0,0)..(0,-1,0)..(1,0,0)); draw(p2,(-1,0,0)..(0,1,0)..(1,0,0),dots);
draw(p2,(-1,0,0)--ratio*(-1,0,0)+(1-ratio)*B^^ratio*(1,0,0)+(1-ratio)*B--(1,0,0));
draw(p2,shift(vlift)*(ratio*(-1,0,0)+(1-ratio)*B--B--ratio*(1,0,0)+(1-ratio)*B));
draw(p2,toparc1--toparc2); draw(p2,shift(vlift)*toparc1,dots); draw(p2,shift(vlift)*toparc2);
draw(p2,shift(vlift)*((1-ratio)*B--B),linewidth(0.7)); dot(p2,shift(vlift)*((1-ratio)*B),linewidth(1.5));
label(p2,"frustum",(0,0,h/4));
add(shift((3.4,0,0))*p2);
[/asy] | 45\pi | 71.09375 |
35,673 | In regular pentagon $ABCDE$, diagonal $AC$ is drawn, as shown. Given that each interior angle of a regular pentagon measures 108 degrees, what is the measure of angle $CAB$?
[asy]
size(4cm,4cm);
defaultpen(linewidth(1pt)+fontsize(10pt));
pair A,B,C,D,E;
A = (0,0);
B = dir(108);
C = B+dir(39);
D = C+dir(-39);
E = (1,0);
draw(A--B--C--D--E--cycle,linewidth(1));
draw(A--C,linewidth(1)+linetype("0 4"));
label("A",A,S);
label("B",B,W);
label("C",C,N);
label("D",D,E);
label("E",E,S);
label("$108^\circ$",B,E);;
[/asy] | 36 | 92.96875 |
35,674 | The lengths of the three sides of a triangle are $7$, $x+4$ and $2x+1$. The perimeter of the triangle is 36. What is the length of the longest side of the triangle? | 17 | 99.21875 |
35,675 | In triangle $ABC$, $BC = 20 \sqrt{3}$ and $\angle C = 30^\circ$. Let the perpendicular bisector of $BC$ intersect $BC$ and $AC$ at $D$ and $E$, respectively. Find the length of $DE$. | 10 | 60.15625 |
35,676 | What is the volume, in cubic units, of a cube whose surface area is 600 square units? | 1000 | 100 |
35,677 | In the diagram, the smaller circles touch the larger circle and touch each other at the center of the larger circle. The radius of the larger circle is $6.$ What is the area of the shaded region?
[asy]
size(100);
import graph;
filldraw(Circle((0,0),2),mediumgray);
filldraw(Circle((-1,0),1),white);
filldraw(Circle((1,0),1),white);
[/asy] | 18\pi | 92.1875 |
35,678 | The point $O$ is the center of the circle circumscribed about $\triangle ABC$, with $\angle BOC = 120^{\circ}$ and $\angle AOB =
140^{\circ}$, as shown. What is the degree measure of $\angle
ABC$?
[asy]
pair A,B,C;
draw(Circle((0,0),20),linewidth(0.7));
label("$O$",(0,0),S);
A=(-16,-12);
C=(16,-12);
B=(3,19.7);
draw(A--B--C--cycle,linewidth(0.7));
label("$140^{\circ}$",(0,0),W);
label("$120^{\circ}$",(0,0.3),E);
draw(C--(0,0)--B);
draw(A--(0,0));
label("$A$",A,SW);
label("$B$",B,NE);
label("$C$",C,SE);
[/asy] | 50^{\circ} | 83.59375 |
35,679 | In the diagram, $AOB$ is a sector of a circle with $\angle AOB=60^\circ.$ $OY$ is drawn perpendicular to $AB$ and intersects $AB$ at $X.$ What is the length of $XY
?$ [asy]
draw((0,0)--(12,0),black+linewidth(1));
draw((0,0)--(10.3923,-6)..(12,0)..(10.3923,6)--(0,0),black+linewidth(1));
draw((10.3923,-6)--(10.3923,6),black+linewidth(1));
label("$O$",(0,0),W);
label("$A$",(10.3923,6),N);
label("$B$",(10.3923,-6),S);
label("$X$",(10.3923,0),NW);
label("$Y$",(12,0),E);
label("12",(0,0)--(10.3923,6),NW);
label("12",(0,0)--(10.3923,-6),SW);
[/asy] | 12 - 6\sqrt{3} | 62.5 |
35,680 | In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$? | 13.5 | 0 |
35,681 | In the diagram, $PQ$ and $RS$ are diameters of a circle with radius 4. If $PQ$ and $RS$ are perpendicular, what is the area of the shaded region?
[asy]
size(120);
import graph;
fill((-1,-1)--(-1,1)--(1,1)--(1,-1)--cycle,mediumgray);
fill(Arc((0,0),sqrt(2),45,135)--cycle,mediumgray);fill(Arc((0,0),sqrt(2),225,315)--cycle,mediumgray);
draw(Circle((0,0),sqrt(2)));
draw((-1,-1)--(1,1)--(1,-1)--(-1,1)--cycle);
label("$P$",(-1,1),NW); label("$R$",(1,1),NE); label("$S$",(-1,-1),SW); label("$Q$",(1,-1),SE);
[/asy] | 16+8\pi | 2.34375 |
35,682 | We have a triangle $\triangle ABC$ such that $AB = AC = 8$ and $BC = 10.$ What is the length of the median $AM$? | \sqrt{39} | 95.3125 |
35,683 | The radius of a cylinder is doubled and its height is tripled. If its original volume was 10 cubic feet, what is its volume now, in cubic feet? | 120 | 99.21875 |
35,684 | Find the ratio of the volume of the cone to the volume of the cylinder. Express your answer as a common fraction.
[asy]
import solids; size(150); import three; defaultpen(linewidth(0.8)); currentprojection = orthographic(5,0,3);
revolution c = cylinder((0,0,0), 1, 3);
revolution c2 = cone((0,0,0), 1,1.5);
draw(c,black);
draw(c2,black);
draw((1.5,0)--(1.5,2.5),Arrows(TeXHead));
label("12",(1.5,0)--(1.5,2.5),E);
draw((-1.5,0)--(-1.5,1.25),Arrows(TeXHead));
label("6",(-1.5,0)--(-1.5,1.25),W);
draw((0,0)--(1,0),Arrows(TeXHead));
label("4",(0,0)--(1,0),S);
[/asy] | \frac{1}{6} | 72.65625 |
35,685 | Suppose that we are given 40 points equally spaced around the perimeter of a square, so that four of them are located at the vertices and the remaining points divide each side into ten congruent segments. If $P$, $Q$, and $R$ are chosen to be any three of these points which are not collinear, then how many different possible positions are there for the centroid of $\triangle PQR$? | 841 | 50 |
35,686 | The square with vertices $(-a, -a), (a, -a), (-a, a), (a, a)$ is cut by the line $y = x/2$ into congruent quadrilaterals. The perimeter of one of these congruent quadrilaterals divided by $a$ equals what? Express your answer in simplified radical form. | 4+\sqrt{5} | 56.25 |
35,687 | When plotted in the standard rectangular coordinate system, trapezoid $ABCD$ has vertices $A(1, -2)$, $B(1, 1)$, $C(5, 7)$ and $D(5, 1)$. What is the area of trapezoid $ABCD$? | 18 | 96.09375 |
35,688 | Polygon $ABCDEF$ is a regular hexagon. What is the measure in degrees of angle $ABF$? | 30 | 76.5625 |
35,689 | In right triangle $JKL$, angle $J$ measures 60 degrees and angle $K$ measures 30 degrees. When drawn, the angle bisectors of angles $J$ and $K$ intersect at a point $M$. What is the measure of obtuse angle $JMK$?
[asy]
import geometry;
import olympiad;
unitsize(0.8inch);
dotfactor = 3;
defaultpen(linewidth(1pt)+fontsize(10pt));
pair J,K,L,M,U,V;
J = (0,0);
K = (1,2);
L = (1,0);
draw(J--K--L--cycle);
draw(rightanglemark(J,L,K,5));
label("$J$",J,W);
label("$K$",K,N);
label("$L$",L,E);
U = (1,2/3);
V = (2/(2+sqrt(3)),0);
draw(J--U);
draw(K--V);
M = intersectionpoint(J--U,K--V);
dot("M",M,NW);
[/asy] | 135 | 74.21875 |
35,690 | Segment $s_1$ has endpoints at $(4,1)$ and $(-8,5)$. Segment $s_2$ is obtained by translating $s_1$ by $2$ units to the right and $3$ units up. Find the midpoint of segment $s_2$. Express your answer as $(a,b)$ with $a$ and $b$ integers. | (0,6) | 94.53125 |
35,691 | Circle $T$ has a circumference of $12\pi$ inches, and segment $XY$ is a diameter. If the measure of angle $TXZ$ is $60^{\circ}$, what is the length, in inches, of segment $XZ$?
[asy]
size(150);
draw(Circle((0,0),13),linewidth(1));
draw((-12,-5)--(-5,-12)--(12,5)--cycle,linewidth(1));
dot((0,0));
label("T",(0,0),N);
label("X",(-12,-5),W);
label("Z",(-5,-12),S);
label("Y",(12,5),E);
[/asy] | 6 | 60.9375 |
35,692 | The lengths of two sides of a triangle are 33 units and 42 units. The third side also has an integral length. What is the least possible number of units in the perimeter of the triangle? | 85 | 92.96875 |
35,693 | A cube has eight vertices (corners) and twelve edges. A segment, such as $x$, which joins two vertices not joined by an edge is called a diagonal. Segment $y$ is also a diagonal. How many diagonals does a cube have? [asy]
/* AMC8 1998 #17 Problem */
pair A=(0,48), B=(0,0), C=(48,0), D=(48,48);
pair E=(24,72), F=(24,24), G=(72,24), H=(72,72);
pen d = linetype("8 8");
draw(A--D--C--B--cycle);
draw(D--H--G--C);
draw(A--E--H);
draw(B--F--E);
draw(F--G);
draw(H--A--G, d);
label("$x$", (40, 61), N);
label("$y$", (40, 35), N);
[/asy] | 16 | 87.5 |
35,694 | In the trapezoid shown, the ratio of the area of triangle $ABC$ to the area of triangle $ADC$ is $7:3$. If $AB + CD = 210$ cm, how long is segment $\overline{AB}$? [asy]
import olympiad; size(150); defaultpen(linewidth(0.8));
pair A = (0,0), B = (5,0), C = (3,2), D = (1,2);
draw(A--B--C--D--cycle--C);
label("$A$",A,SW); label("$B$",B,SE); label("$C$",C,NE); label("$D$",D,NW);
[/asy] | 147\text{ cm} | 97.65625 |
35,695 | In the diagram, if $\angle PQR = 48^\circ$, what is the measure of $\angle PMN$? [asy]
size(6cm);
pair p = (0, 0); pair m = dir(180 - 24); pair n = dir(180 + 24); pair r = 1.3 * dir(24); pair q = 2 * 1.3 * Cos(48) * dir(-24);
label("$M$", m, N); label("$R$", r, N); label("$P$", p, 1.5 * S); label("$N$", n, S); label("$Q$", q, SE);
draw(m--q--r--n--cycle);
add(pathticks(m--p, s=4));
add(pathticks(n--p, s=4));
add(pathticks(r--p, 2, spacing=0.9, s=4));
add(pathticks(r--q, 2, spacing=0.9, s=4));
[/asy] | 66^\circ | 46.09375 |
35,696 | A bottled water company has designed a new cup for its dispenser. The cup will be a right circular cone with a three-inch radius. How tall will the cup need to be to hold 93 cubic inches of water? Express your answer to the nearest whole number. | 10 | 88.28125 |
35,697 | The truncated right circular cone has a large base radius 8 cm and a small base radius of 4 cm. The height of the truncated cone is 6 cm. How many $\text{cm}^3$ are in the volume of this solid? [asy]
import olympiad; size(150); defaultpen(linewidth(0.8)); dotfactor=4;
draw(ellipse((0,0),4,1)); draw(ellipse((0,3),2,1/2));
draw((-3.97,.1)--(-1.97,3.1)^^(3.97,.1)--(1.97,3.1));
[/asy] | 224\pi | 24.21875 |
35,698 | A right pyramid has a square base that measures 10 cm on each side. Its peak is 12 cm above the center of its base. What is the sum of the lengths of the pyramid's eight edges? Express your answer to the nearest whole number.
[asy]
size(150);
draw((0,0)--(3,3)--(13,3)--(10,0)--cycle,linewidth(1));
draw((0,0)--(6.5,15)--(3,3),linewidth(1));
draw((13,3)--(6.5,15)--(10,0),linewidth(1));
draw((6.5,15)--(6.5,1.5),linewidth(1));
label("12",(6.5,5),E);
draw((6.6,15)..(6.7,14.9)..(6.8,14.7)--(6.8,5.3)..(6.9,5.2)..(7,5)..(6.9,4.8)..(6.8,4.7)--(6.8,1.8)..(6.7,1.6)..(6.6,1.5),linewidth(.7));
[/asy] | 96 | 68.75 |
35,699 | The lines $y=2$, $y=5$, $x=1$, and $x=a$ make a square. Find the product of the possible values for $a$. | -8 | 93.75 |
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