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As shown in the diagram, a rectangular piece of paper ABCD was folded along CP where P is located one-third of the way from A to B. We know the total area covered by the folded paper is 213 square inches with a 75 square inch overlapping area. Find the area of triangle B' C Q  in square inches.

 Apr 19, 2021
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The area of triangle B'CQ is 20.

 Apr 19, 2021

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