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In the diagram below, ABCD is a rectangle with side lengths AB = 3 and BC = 11, and AECF is a rectangle with side lengths AF = 7 and FC = 9, as shown. Find the area of the intersection of the two rectangles.

 Mar 10, 2021
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Using similar triangles, I found that the area is 53/2.

 Mar 10, 2021

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