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A trapezoid is a quadrilateral with exactly one pair of parallel sides. If the nonparallel sides have the same length, the trapezoid is isosceles. Make

A trapezoid is a quadrilateral with exactly one pair of parallel sides. If the nonparallel sides have the same length, the trapezoid is isosceles. Make a diagram of an isosceles trapezoid whose sides have lengths 7 in, 10 in, 19 in, and 10 in. Find the altitude of this trapezoid (the distance that separates the parallel sides), then find the enclosed area.

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