SOLUTION: If i have a rectangle and the perimeter is 36cm and the length is 2 times the width what is the area?

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Question 793882: If i have a rectangle and the perimeter is 36cm and the length is 2 times the width what is the area?
Answer by sunny1992(35) About Me  (Show Source):
You can put this solution on YOUR website!
perimeter of rectangle=2(L+W)
let,
W=x &
L=2x
so we have,
2(x+2x)=36
(3x)=18
x=6
W=x=6
L=2x=6x2=12
Area=LxB
Area=6x12=72cm^2