Question

the angle of elevation o the top of vertical tower from a point on the ground is 60 degree from anorher point 10m vertically above the first its angle of elevation is 30 degree fin height of tower

Answer 1

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Answer 2

Let, AC be the tower.
D is the first point of observation.
E is the second point of observation.

tan 30°= 1/√3
tan 60°= √3

DE is given 10m.

BC = DE(according to diagram)
BE = CD(according to diagram)

Height of tower = 15m







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