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3 February, 11:03

The length of a rectangle is 10 meters more than the width. If the perimeter is 184 meters, what are the length and the width?

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  1. 3 February, 14:10
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    Perimeter = (2 * Length) + (2 * Width)

    If the length is dependent on the width (because the length is 10 more than the width), we can say that L = W + 10.

    To find the answer to the Peri, we have to find out what the W is first.

    184 = 2 (W + 10) + 2W

    184 = 2W + 20 + 2W

    184 = 4W + 20

    184 - 20 = 4W = 164

    164 : 4 = W

    41 = W

    We have found out width. Our length is W + 10, so L = 41 + 10 = 51

    W = 41 and L = 51
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