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Trapezoid with base lengths 3 inches and 7 inches and height 12 inches Find the area.

Formula : A=1/2(base 1 + base 2)h

A=81.6in?

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Jerald

  1. You should be able to do this mentally

    area = (1/2)( 3 + 7)(12)
    = (1/2)(10)(12)
    = (1/2)(120)
    = 60

    How did you ever get 81.6 ??

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    Reiny

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