The angle of elevation of the top of a tower from a certain point is 30 . If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15 . The height -

The angle of elevation of the top of a tower from a certain point is 3

1.	The angle of elevation of the top of a tower from a certain point is 30 . If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15 . The height -
A.	44.6 m
B.	54.6 m
C.	64.6 m
D.	74.6 m
Answer» C. 64.6 m

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The angle of elevation of the top of a tower from a certain point is 30 . If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15 . The height -

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