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July 4, 2015

Homework Help: Calculus

Posted by Z32 on Monday, June 22, 2009 at 12:59am.

A fence 5 feet tall runs parallel to a tall building at a distance of 7 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building? [Hint: Determine the length of a ladder that touches the building, fence, and ground as a function of the acute angle the ladder makes with the ground.]

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