Question

From a point on the ground which is 120 m away
from the foot of the unfinished tower, the angle
of elevation of the top of the tower is found to be
30° find how much height of tower have to
increased so that its angle of elevation at same
point became 60°?​

Answer 1

Question:-

From a point on the ground which is 120 m away from the foot of the unfinished tower, the angle of elevation of the top of the tower is found to be 30° find how much height of tower have to increased so that its angle of elevation at same point became 60°?

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Answer 2

Answer:

Twice the length at the present time i.e 80 root3