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11 July, 12:17

A rectangle has a length that is twice the meaure of its width. Perimeter is 54. What is the area

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  1. 11 July, 14:12
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    L = 2W

    P = 2L + 2W

    Plug 2W in for L.

    54 = 2 (2W) + 2W

    54 = 4W + 2W

    54 = 6W

    Divide both sides by 6

    W = 9

    L = 2 * 9

    L = 18

    A = L * W

    A = 9 * 18

    A = 162 units^2
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