A building is 100 m high. The angle of elevation of the top of the building from a point on the ground is 45°. How far is the point from the foot of the building?
Q1. A building is 100 m high. The angle of elevation of the top of the building from a point on the ground is 45°. How far is the point from the foot of the building?
Answer: 100 m
Explanation: Using tan(45°) = 100 / distance, we get distance = 100 m since tan(45°) = 1.