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8 January, 18:25

a trapezoid has an area of 114.5 square feet. One base is7.9 feet long. The height measures 10 feet. what is the length the other base

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  1. 8 January, 21:18
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    the base is 15 feet

    Step-by-step explanation:

    A = 1/2 (l+b) h

    114.5 = 1/2 (7.9+b) 10

    114.5 * 2 = 79+10b

    229=79+10b

    229-79=10b

    150='10b

    15=b
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