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8 November, 19:24

A triangle had height of 15 in and area of 120in2. What is the length of the base?

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  1. 8 November, 19:33
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    Area of triangle = (base*height) / 2

    120 = (b*15) / 2

    120*2 = 15b

    240 = 15b

    15b = 240

    b = 240/15

    b = 16

    The base is 16 inches

    As a check

    Area = (base*height) / 2

    Area = (16*15) / 2

    Area = 240/2

    Area = 120

    The answer is confirmed
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