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AMC12 2010a Test Paper
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Sample Question 3:

Rectangle ABCDABCD, pictured below, shares 50%50\% of its area with square EFGHEFGH. Square EFGHEFGH shares 20%20\% of its area with rectangle ABCDABCD. What is ABAD\frac{AB}{AD}?


(A) 4(B) 5(C) 6(D) 8(E) 10\textbf{(A)}\ 4 \qquad \textbf{(B)}\ 5 \qquad \textbf{(C)}\ 6 \qquad \textbf{(D)}\ 8 \qquad \textbf{(E)}\ 10




Answer Keys

Question 3: E