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13 August, 11:34

The height of a trapezoid is 8 inches and its area is 96 inches squared. One base of the trapezoid is 6 inches longer than the other base. What are the lengths of the bases? Explain how you found your answer.

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  1. 13 August, 11:37
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    Let the length of one base = x. Length of other = x + 6.

    Area = (1/2) * (Sum of bases) * height

    96 = (1/2) * (x + x + 6) * 8

    96 = (2x + 6) * 4

    96/4 = 2x + 6

    24 = 2x + 6

    2x + 6 = 24

    2x = 24 - 6

    2x = 18

    x = 18/2

    x = 9.

    Length of bases are x, and x + 6. 9 and 9+6 = 15.

    Lengths of bases are 9 and 15 inches.
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