engineering mathematics MCQ #251

A tree casts a shadow of 20 m when the sun's angle of elevation is 45°. What is the tree's height?

engineering mathematics MCQ #251

  1. Question 1

    Q1. A tree casts a shadow of 20 m when the sun's angle of elevation is 45°. What is the tree's height?

    • A) 10 m
    • B) 20 m
    • C) 10√2 m
    • D) 20√2 m

    Answer: 20 m

    Explanation: Using tan(45°) = height / 20, we get height = 20 m since tan(45°) = 1.