SOLUTION: a rectangles length is 9 times its width. If the perimeter if the rectangle is 60 cm, what is the area?
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Question 241796: a rectangles length is 9 times its width. If the perimeter if the rectangle is 60 cm, what is the area?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=9W
2L+2W=60
2*9W+2W=60
18W+2W=60
20W=60
W=60/20
W=3 ANS. FOR THE WIDTH.
L=9*3=27 ANS. FOR THE LENGTH.
27*3=81 IS THE AREA.
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