A flagpole casts a shadow of 15 m when the sun's angle of elevation is 45°. What is the height of the flagpole?
Q1. A flagpole casts a shadow of 15 m when the sun's angle of elevation is 45°. What is the height of the flagpole?
Answer: 15 m
Explanation: In a 45°-45°-90° triangle, the sides are in the ratio 1:1:√2. So, height = 15 m.