A 20 foot ladder is leaning against a house. It touches the ground 12 feet from the house. How far above the ground does it touch the house?

asked Feb 18, 2018 50.0k views

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6 votes

cosx= 12/20

x= cos inverse (12/20)

x=53.13010235

sin53.13010235=y/20

y=20X sin53.13010235

y=16

Arash Milani answered Feb 21, 2018

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