A tower stands vertically on the ground. From a point on the ground, 20 m away from the foot of the tower, the angle of elevation is 45°. What is the height of the tower?
Q1. A tower stands vertically on the ground. From a point on the ground, 20 m away from the foot of the tower, the angle of elevation is 45°. What is the height of the tower?
Answer: 20 m
Explanation: Using tan(45°) = height / 20, we get height = 20 m since tan(45°) = 1.