engineering mathematics MCQ #148

A building casts a shadow of 30 m when the sun's angle of elevation is 45°. Find the height of the building.

engineering mathematics MCQ #148

  1. Question 1

    Q1. A building casts a shadow of 30 m when the sun's angle of elevation is 45°. Find the height of the building.

    • A) 30 m
    • B) 15 m
    • C) 45 m
    • D) 60 m

    Answer: 30 m

    Explanation: tan(45°) = height / 30, so height = 30 * tan(45°) = 30 * 1 = 30 m.