engineering mathematics MCQ #75

The shadow of a tower is 20m when the sun's altitude is 30°. Find the height of the tower.

engineering mathematics MCQ #75

  1. Question 1

    Q1. The shadow of a tower is 20m when the sun's altitude is 30°. Find the height of the tower.

    • A) 20 / √3 m
    • B) 20√3 m
    • C) 10√3 m
    • D) 40 / √3 m

    Answer: 20 / √3 m

    Explanation: tan(30°) = height / 20, so height = 20 * 1/√3 = 20 / √3 m.