SOLUTION: The length of a rectangle is twice it's width. If the perimeter of the rectangle is 54ft, find it's area.

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Question 866430: The length of a rectangle is twice it's width. If the perimeter of the rectangle is 54ft, find it's area.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



p = 2L + 2w = 54ft

0r   L + w = 27    L = 2w

    2w + w = 27

      3w = 27

       w = 9ft  and L = 18ft

A = Lw = (18ft)(9ft) = 162ft^2