SOLUTION: a television antenna is on the roof of a building. from a point on the ground 36.0 ft. fron the building, the angles of elevation of the top and the bottom of the antenna are 51° a
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Question 828386: a television antenna is on the roof of a building. from a point on the ground 36.0 ft. fron the building, the angles of elevation of the top and the bottom of the antenna are 51° and 42°, respectively. how tall is the antenna?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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tanA = opp/adj
opp = tanA * adj
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bottom:
a = tan(42) * 36
a = 32.414545594722235
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top:
b = tan(51) * 36
b = 44.456297635261841
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height = b - a
height = 44.456297635261841 - 32.414545594722235
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answer:
antenna height = 12.04 ft
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