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Question

A ladder of length 22 feet leans against the side of a building. The angle of elevation of the ladder is 76 degrees. Find the distance from the top of the ladder to the ground. round your answer to two decimals 

Answer 1

Use sine to solve this.

Let d = the distance from the top of the ladder to the ground.

 

sine(76) = d/22

 

22 sine(76) = d

d = 21.35 ft