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20-02-2017
Mathematics

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A ladder leans against a 15 foot tall building to form a right angle. the ladder is placed so it is 8 feet from the base of the building. what is the length of the ladder?

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SilverLightning SilverLightning

20-02-2017

by pythagorus theorem,
length^2 = 15^2 + 8^2
length^2 = 225 + 16
length = sq root of 289
= 17 feet

The ladder is 17 feet.

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