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6 September, 02:52

The length of a rectangle is 3 times the width. the perimeter is 96cm. find the length and width.

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  1. 6 September, 03:07
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    Let it's width be x

    then, it's length = 3x

    perimeter of a rectangle = 2 (l+b)

    96 = 2 (3x+x)

    96 = 8x

    12 = x

    so the widthe of that rectangle = 12cm and it's length = 3 (12) = 36cm.
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