SOLUTION: The length of a rectangle is twice its width. If the perimeter of the rectangle is 54 m , find its area

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Question 816657: The length of a rectangle is twice its width.
If the perimeter of the rectangle is 54 m , find its area
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
L = 2w
p = 2L + 2w = 54
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2L + 2w = 54
2(2w) + 2w = 54
4w + 2w = 54
6w = 54
w = 9
L = 2w = 18
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a = Lw
a = 18 * 9
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Answer:
a = 162 sq.m
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