The angle of elevation of the top of building from the foot of the tower is 30 ° and the angle of elevation of the top of the building is 45° .If the tower is 30 m heigh, find the height of the building
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The angle of elevation of the top of the tower from the foot of the building = 60 deg.
It the tower is 60 m high, the building is at a distance of 60 cot 60 = 34.64101615 m from the tower.
The height of the building = 34.64101615 tan 30 = 20 m. Answer
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