SOLUTION: The length of a rectangle is four times its width. If the area of the rectangle is 196m2 , find its perimeter.

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Question 190493: The length of a rectangle is four times its width. If the area of the rectangle is 196m2 , find its perimeter.

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Let w = width
then
4w = length (length of a rectangle is four times its width)
.
w(4w) = 196
4w^2 = 196
w^2 = 49
w = 7 meters