engineering mathematics MCQ #87

A 20m high building casts a shadow. If the sun's angle of elevation is 45°, find the shadow length.

engineering mathematics MCQ #87

  1. Question 1

    Q1. A 20m high building casts a shadow. If the sun's angle of elevation is 45°, find the shadow length.

    • A) 10 m
    • B) 20 m
    • C) 30 m
    • D) 40 m

    Answer: 20 m

    Explanation: tan(45°) = 20 / shadow, so shadow = 20 m.