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Question 10
A 22-foot ladder leans against a building. The distance between the bottom of the ladder and the base of the building is 9 feet.

Which statement is true when finding the height, in feet, where the ladder touches the building, h?

Answer :

ANAYAMATIAS18GO

Answer: The foot of the ladder is 10 feet away from the base of the wall.

Explanation:

Here , the wall , top and foot of the ladder and ground makes aright triangle of which length of ladder h=20 is regarded as hypotenuse, angle with ground is θ=600;cosθ=h or cos 60=b 20 or b = 20⋅cos 60=20⋅12=10 feet.

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