engineering mathematics MCQ #117

The shadow of a tower is 20m long when the sun's altitude is 45°. What is the height of the tower?

engineering mathematics MCQ #117

  1. Question 1

    Q1. The shadow of a tower is 20m long when the sun's altitude is 45°. What is the height of the tower?

    • A) 15 m
    • B) 20 m
    • C) 25 m
    • D) 30 m

    Answer: 20 m

    Explanation: tan(45°) = height / 20. Since tan(45°) = 1, height = 20 m.