SOLUTION: A rectangular animal pen is built using 200 meters of fencing. If one side of the rectangle is 60 meters, find the area of the pen?

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Question 981610: A rectangular animal pen is built using 200 meters of fencing. If one side of the rectangle is 60 meters, find the area of the pen?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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200 meters will be the perimeter; let L=length=60m; w=width:
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P=2(L+W)
200m=2(L+W) Divide each side by 2
100m=L+W Put in value for L.
100m=60m+W
40m=W
The length is 60m and the width is 40m, so:
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Area=LW=(60m)(40m)=2400 m^2