Question

The angle of elevation of the top of a building from the foot of the tower is 30degree and the angle of elevation of the top of the tower from the foot of the building is 60degree if the building is 15m high find height of the tower

Answer 1

Given height of tower CD = 60 m Let the height of the building, AB = h In right angled triangle BDC, ∴ h = 20 m Thus the height of the building is 20 m.

Answer 2

answer is 5 cm please Mark as brain list