One side length of a left square is m and one side length of

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One side length of a left square is m and one side length of a right square is n. What is the area of a middle square, in terms of m and n?
A. m^2+n^2
B.m^2-n^2
C. m+n^2
D. m^2+n
E. m+n

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by Max@Math Revolution » Wed Jun 08, 2016 3:56 pm
For this question, you have to utilize the Pythagorean Theorem twice. Then, the answer becomes A.