SOLUTION: A 36 ft ladder is used to reach the top of a 28 ft wall. if the ladder extends 2 ft past the top of the wall, find its elevation to the horizontal.

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Question 937599: A 36 ft ladder is used to reach the top of a 28 ft wall. if the ladder extends 2 ft past the top of the wall, find its elevation to the horizontal.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
h = 34 ft
a = 28 ft
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use law of sines to find the elevation angle:
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a/sinA = h/sinH
sinA/a = sinH/h
sinA = a*sinH/h
A = asin( a*sinH/h )
A = asin( 28*sin(90)/34 )
A = 55.43967822
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answer:
elevation angle = 55.4 degrees
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