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If each side of ABCD is four then the midpoints divide each side in half, or two. If you draw the square efgh, each side is 2 times square root 2 from Pythagorean theorem. sqrt (2 sq + 2 sq) =2 square root 2.

the area is the sides squared or 2 root 2 times 2 root 2 = 4 x 2 = 8

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15y ago

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