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You lean a 16 foot ladder against the wall. If the base is 4 feet from the wall, what angle does the ladder make with the ground?

1 Answer

Dec 15, 2016

#75.52^@#

Explanation:

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#cosx =# the length of the adjacent side #/# the length of the hypotenuse.

#=> cosx=4/16=0.25#

#=> x=cos^-1(0.25)=75.52^@#

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