On the ground level the angle of elevation of the top of a tower is 30 , On moving 20 m nearer the tower, the angle of elevation found to be 60 . The height of the tower is ?

On the ground level the angle of elevation of the top of a tower is 30

1.	On the ground level the angle of elevation of the top of a tower is 30 , On moving 20 m nearer the tower, the angle of elevation found to be 60 . The height of the tower is ?
A.	10 m
B.	10
C.	m
D.	15 m
E.	20 m
Answer» C. m

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On the ground level the angle of elevation of the top of a tower is 30 , On moving 20 m nearer the tower, the angle of elevation found to be 60 . The height of the tower is ?

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