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1 April, 02:18

The length of the rectangle is 4 times the height. the area of the triangle is 63 cm2. Find the width. Round to the nearest tenth of an inch

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  1. 1 April, 02:23
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    area = l x h

    l=4h

    area = 4h x h = 4h^2

    4h^2 = 63

    63/4 = 15.75

    h^2 = 15.75

    sqrt (15.75) = h

    h = 3.968cm

    rounded to nearest tenth would be 4.0cm

    check L=4 (4) = 16 x 4 = 64 (since it was round 64 is pretty close to 63)
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