SOLUTION: Find the maximum area enclosed by rectangular fencing which is 400 feet long if the farmer uses his barn for one side of the enclosure. Show diagram and equation before calculator

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Question 231144: Find the maximum area enclosed by rectangular fencing which is 400 feet long if the farmer uses his barn for one side of the enclosure. Show diagram and equation before calculator use. Round area to the nearest square foot.
Please help! Thanks!
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
A square is always the most area
A=lh
A=100*100
A=10000 sq ft