1.

A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30°. The man walks some distance towards the tower and then his angle of elevation of the top of the tower is 60°. If the height of the tower is 30 m, then the distance he moves is :

A. 20 m
B. 20√3 m
C. 22 m
D. 22√3 m
Answer» C. 22 m


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