SOLUTION: The length of a rectangle is twice its width. If the area of the rectangle is 98 cm2., find it's perimeter.

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Question 922060: The length of a rectangle is twice its width. If the area of the rectangle is 98 cm2., find it's perimeter.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

2L + 2w = 98cm^2

L + w = 49 cm^2

(2w) + w = 49

3w = 49

w = 16 1/3 cm   and L = 32  2/3 cm