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9 May, 13:44

The length of a rectangle is three times its width.

If the area of the rectangle is 75 yd?, find its perimeter.

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  1. 9 May, 15:33
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    Length times width equals area of a rectangle

    Length=3x

    Width=x

    (3x) (x) = 75

    3x squared=75

    x=5

    Length=3 (5)

    Length=15

    Width=5

    Perimeter=2 (length plus width)

    Perimeter=2 (15+5)

    =2 (20)

    =40
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