Difference between revisions of "2013 AMC 8 Problems/Problem 24"
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<math> \textbf{(A)}\hspace{.05in}\frac{1}{4}\qquad\textbf{(B)}\hspace{.05in}\frac{7}{24}\qquad\textbf{(C)}\hspace{.05in}\frac{1}{3}\qquad\textbf{(D)}\hspace{.05in}\frac{3}{8}\qquad\textbf{(E)}\hspace{.05in}\frac{5}{12}</math> | <math> \textbf{(A)}\hspace{.05in}\frac{1}{4}\qquad\textbf{(B)}\hspace{.05in}\frac{7}{24}\qquad\textbf{(C)}\hspace{.05in}\frac{1}{3}\qquad\textbf{(D)}\hspace{.05in}\frac{3}{8}\qquad\textbf{(E)}\hspace{.05in}\frac{5}{12}</math> | ||
− | + | <asy> | |
+ | pair A,B,C,D,E,F,G,H,I,J; | ||
− | == | + | A = (0.5,2); |
− | + | B = (1.5,2); | |
− | + | C = (1.5,1); | |
+ | D = (0.5,1); | ||
+ | E = (0,1); | ||
+ | F = (0,0); | ||
+ | G = (1,0); | ||
+ | H = (1,1); | ||
+ | I = (2,1); | ||
+ | J = (2,0); | ||
+ | draw(A--B); | ||
+ | draw(C--B); | ||
+ | draw(D--A); | ||
+ | draw(F--E); | ||
+ | draw(I--J); | ||
+ | draw(J--F); | ||
+ | draw(G--H); | ||
+ | draw(A--J); | ||
+ | filldraw(A--B--C--I--J--cycle,grey); | ||
+ | draw(E--I); | ||
+ | dot("$A$", A, NW); | ||
+ | dot("$B$", B, NE); | ||
+ | dot("$C$", C, NE); | ||
+ | dot("$D$", D, NW); | ||
+ | dot("$E$", E, NW); | ||
+ | dot("$F$", F, SW); | ||
+ | dot("$G$", G, S); | ||
+ | dot("$H$", H, N); | ||
+ | dot("$I$", I, NE); | ||
+ | dot("$J$", J, SE); | ||
+ | </asy> |
Revision as of 09:59, 16 July 2024
Problem
Squares , , and are equal in area. Points and are the midpoints of sides and , respectively. What is the ratio of the area of the shaded pentagon to the sum of the areas of the three squares?