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Mathematics, 26.03.2020 04:27 BabyRage4900

A square poster board has sides that are 40 inches long. When the triangular flaps at the sides are opened, the poster board takes the shape of a trapezoid. The base of each triangle is 24 inches. What is the area of the trapezoid poster board?

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A square poster board has sides that are 40 inches long. When the triangular flaps at the sides are...

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