engineering mathematics MCQ #263

A 20 m high building casts a shadow when the sun's angle of elevation is 60°. What is the shadow's length?

engineering mathematics MCQ #263

  1. Question 1

    Q1. A 20 m high building casts a shadow when the sun's angle of elevation is 60°. What is the shadow's length?

    • A) 20 / √3 m
    • B) 20√3 m
    • C) 20 m
    • D) 10√3 m

    Answer: 20 / √3 m

    Explanation: Using tan(60°) = 20 / shadow, we get shadow = 20 / tan(60°) = 20 / √3 m.