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12 June, 19:42

The perimeter of a parallelogram is 72 meters. The width of the parallelogram is 4 meters less than its length. Find the length and the width of the parallelogram.

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  1. 12 June, 20:47
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    Perimeter of a parallelogram = 2 (l + w). But w = l - 4

    Therefore, 72 = 2 (l + l - 4) = 2 (2l - 4) = 4l - 8

    4l = 72 + 8 = 80

    l = 80/4 = 20

    w = 20 - 4 = 16

    Therefore, length = 20 meters and width = 16 meters
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