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23 May, 05:47

The length of a rectangle is twice its width. If the perimeter of the rectangle is 42 ft, find its area.

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  1. 23 May, 07:44
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    Let length = 2 * width. (2*width) * width = area.

    2*width + width + 2*width + width = 42; width = 7

    7*14 = 98 ft^2
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