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14 January, 19:34

A rectangle has a perimeter of 18cm. Its length is 5 cm greater than its width. Find the dimensions.

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  1. 14 January, 23:29
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    Length, l

    width, w

    l = w + 5

    18 = 2l + 2w

    9 = l + w

    9 = w + 5 + w

    4 = 2w

    w = 2

    l = w + 5

    l = 7

    length = 7 cm

    width = 2 cm
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