SOLUTION: The length of a rectangle is three times its width. If the area of the rectangle is 147yd2, find its perimeter.

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Question 907813: The length of a rectangle is three times its width.
If the area of the rectangle is 147yd2, find its perimeter.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
.
(3w)w = 147 yd^2
3w^2 = 147
w^2 = 49 (Tossing out the negative solution for unit measure)
w = 7yd L = 21yd
P = 56yd