<PRE><B>Question 828386</B>
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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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