Question

The angle of elevation of the top of an unfinished
tower at a point 200 m from its base is 45°. At what
height must the tower be raised so that its angle of
elevation at the same point may be 60°?​

Answer 1

Answer:

... of elevation of the top of an unfinished tower at a point distant 120 m from its base is 45°. ... the elevation of the top at the same point is to be 60°, the tower must be raised to a height :.

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Answer 2

Step-by-step explanation:

the tower is to be raised with the height of 200( √3-1 ) m