Homework Help: Calc

Posted by Manny on Sunday, April 5, 2009 at 1:11pm.

A fence 5 feet tall runs parallel to a tall building at a distance of 5 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?

Calc - bobpursley, Sunday, April 5, 2009 at 1:32pm
Consider similar triangles:

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