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If the width is 9' and the length is twice that, the length is 18'; the perimeter is twice the length plus twice the width, which is 36' + 18' = 54 feet.

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โˆ™ 2012-10-30 18:57:56
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Q: What is the perimeter in feet of a rectangle whose length is twice its width and whose width is 9 feet?
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