2011 AMC 8 Problem 13

#1
Two congruent squares, \(ABCD\) and \(PQRS\), have side length \(15\). They overlap to form the \(15\) by \(25\) rectangle \(AQRD\) shown. What percent of the area of rectangle \(AQRD\) is shaded?

2011amc8q13.jpg

\( \textbf{(A)}\ 15\qquad\textbf{(B)}\ 18\qquad\textbf{(C)}\ 20\qquad\textbf{(D)}\ 24\qquad\textbf{(E)}\ 25 \)
 

Popo81

New member
#3
Two congruent squares, \(ABCD\) and \(PQRS\), have side length \(15\). They overlap to form the \(15\) by \(25\) rectangle \(AQRD\) shown. What percent of the area of rectangle \(AQRD\) is shaded?

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\( \textbf{(A)}\ 15\qquad\textbf{(B)}\ 18\qquad\textbf{(C)}\ 20\qquad\textbf{(D)}\ 24\qquad\textbf{(E)}\ 25 \)
The answer is C.