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6 July, 10:28

One of the base for a trapezoid is 5in the other is unknown the height is 3in the area is 18in what is the other base.

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  1. 6 July, 11:48
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    7 inches

    Step-by-step explanation:

    formula for a trepezoid is 1/2 (a+b) * h

    1/2 (5+x) X3=18 (now make x the subject)

    (5+x) X3=36

    5+x=12

    x=7

    so the other base is 7in
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