Asked by michael
A 18 -ft ladder leans against a building so that the angle between the ground and the ladder is 82 ^\circ.
How high does the ladder reach on the building?
How high does the ladder reach on the building?
Answers
Answered by
Reiny
I don't understand your notation of 82 ^\circ
but I will assume that the ladder makes an angle of 82° with the ground at the foot of the ladder
sin 82° = height/18
height = 18sin82 = appr 17.8 ft
but I will assume that the ladder makes an angle of 82° with the ground at the foot of the ladder
sin 82° = height/18
height = 18sin82 = appr 17.8 ft
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