SOLUTION: The shorter parallel side of a trapezoid is equal to its height and the longer side is 3/2 times as long. If the area is 80, find the lengh of the shorter side.
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Question 90479: The shorter parallel side of a trapezoid is equal to its height and the longer side is 3/2 times as long. If the area is 80, find the lengh of the shorter side.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let x=shorter side ... area=(average of sides)(height) ... 80=((x+3x/2)/2)(x) ... 80=5x^2/4
320=5x^2 ... 64=x^2 ... 8=x
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