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Mathematics 18 Online
OpenStudy (anonymous):

A 20 ft ladder reaches a window 18 ft high. How far is the foot of the ladder from the base of the building? How far must the foot of the ladder be moved to lower the top of the ladder by 2 ft?

OpenStudy (mathlegend):

For the first part I would use the pythagorean theorem. It would help to draw a picture.

OpenStudy (mathlegend):

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