crazykiddz22 crazykiddz22

17-02-2018
Mathematics

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Nick has a 50-foot ladder. He places the ladder 20 feet away from the base of a building. What is the distance between the base of the building and the top of the ladder, x , to the nearest foot?

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sqdancefan sqdancefan

17-02-2018

The Pythagorean theorem is helpful here.
.. x^2 +20^2 = 50^2
.. x^2 = 2500 -400 = 2100
.. x = 10√21 ≈ 46 . . . . feet

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