From the top of a 25 m high building, the angle of depression of a point on the ground is 45°. Find the horizontal distance of the point from the building in metres.
Physics · Mathematical tools and vector · Trigonometric Function
NEET JEE Mains

Question

From the top of a 25 m high building, the angle of depression of a point on the ground is 45°. Find the horizontal distance of the point from the building in metres.

G1 Physics · Accepted Answer

Angle of depression equals angle of elevation, 45°. tan45°=25/x=1, hence x=25 m.