From the top of a 20 metre high building, the angle of elevation of th – McqOptions

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1.	From the top of a 20 metre high building, the angle of elevation of the top of a tower is 60 and the angle of depression of its foot is at 45 , then the height of the tower is (
A.	45.46 metre
B.	45.64 metre
C.	54.64 metre
D.	54.46 metre
Answer» D. 54.46 metre

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