engineering mathematics MCQ #187

A building casts a shadow of 20 m when the angle of elevation of the sun is 45°. Find the height of the building.

engineering mathematics MCQ #187

  1. Question 1

    Q1. A building casts a shadow of 20 m when the angle of elevation of the sun is 45°. Find the height of the building.

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

    Answer: 20 m

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