Calculus

A fence 8 feet tall runs parallel to a tall building at a distance of 6 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?

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  1. I answered the same type of question back in 2009
    http://www.jiskha.com/display.cgi?id=1245646756

    Just change the numbers.

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