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A boy standing between two buildings of equalheight. The boy and he buildings are in astraight line. The boy sees the top of thosebuildings at an elevationof 45 degree and 30 degree. The nearest building is 20 maway from him.a) Draw rough figureb Find the height of the buildings & distance between the buildings |
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Answer» Answer:
Assume a BUILDING be h. In Δ ABC, ACB = 30^0 tan30^0 = AB/BC = h/48 = h/48 1/√(3) = h/48 h = 48√(3)/3 = 16√(2) m Then, height of building is 16√(2) ... |
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