SOLUTION: The area of a rectagle is 357cm2. The width of the rectangle is 4cm less than the length. What are the dimensions of the rectangle
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Question 254335: The area of a rectagle is 357cm2. The width of the rectangle is 4cm less than the length. What are the dimensions of the rectangle
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
W=L-4
AREA=WL
357=(L-4)L
357=L^2-4L
L^2-4L-357=0
(L-21)(L+17)=357
L-21=0
L=21 ANS. FOR THE LENGTH.
W=21-4=17 ANS. FOR THE WIDTH.
PROOF:
357=21*17
357=357
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