Geometry

The measure of the consecutive sides of an isosceles trapezoid are in the ratio 8:5:2:5
the perimeter of the trapezoid is 140 inches if it's height is 20 inches find the area of the trapezoid

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  1. 20x=140
    x=7

    so, the sides are 56,35,14,35

    The bases are 56 and 14, so the area is (56+14)/2 * 20

    The problem is, that if the sides are 35, the height is not 20. Fix that to get the true area.

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  2. 1031.8

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