SOLUTION: A rectangle is twice as long as it is wide. The perimeter of the rectangle is 36 cm. What is the area of the rectangle?

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Question 935491: A rectangle is twice as long as it is wide. The perimeter of the rectangle is 36 cm.
What is the area of the rectangle?

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
L for length, w for width,
L=2w.
p=36.
Find wL.


2L%2B2w=p
2%282w%29%2B2w=p
6w=p
w=p%2F6

Finding L,
2%2Aw=2%2A%28p%2F6%29
L=p%2F3


Finishing for formula for wL:
wL=%28p%2F6%29%28p%2F3%29
highlight%28wL=%28p%5E2%29%2F%2818%29%29, the area.