SOLUTION: The perimeter of a rectangle is 50 feet. Describe the possible lengths of a side if the area of the rectangle is greater than 144 square feet.
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Question 361870: The perimeter of a rectangle is 50 feet. Describe the possible lengths of a side if the area of the rectangle is greater than 144 square feet. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! The perimeter of a rectangle is 50 feet. Describe the possible lengths of a side if the area of the rectangle is greater than 144 square feet.
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L*W>144..........1
2*(L+W)=50
L+W=25
L=25-w
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plug value of L in equation 1
(25-w)*W>144
25W-W^2>144
W^2-25W+144>0
W^2-16W-9W+144>o
W(W-16)-9(W-16)>0
(W-16)(W-9)>0
When width is 9 then length should be>16
When width is 16 length >9
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m.ananth@hotmail.ca
