Question

The angle of elevation of the top of an unfinished verticle building on a ground,
at a point which is 100m from the base of the building is 45°. How much
height the building must be raised, so that its angle of elevation from the
same point be 60°. (Take V3 = 1.73)​

Answer 1

Answer:

73 m

Step-by-step explanation:

See the attachment for the solution.