engineering mathematics MCQ #171

The angle of elevation of the top of a building from the foot of a tower is 30° and the angle of elevation of the top of the tower from the foot of the building is 60°. If the height of the tower is 50 m, find the height of the building.

engineering mathematics MCQ #171

  1. Question 1

    Q1. The angle of elevation of the top of a building from the foot of a tower is 30° and the angle of elevation of the top of the tower from the foot of the building is 60°. If the height of the tower is 50 m, find the height of the building.

    • A) 16.67 m
    • B) 25 m
    • C) 50 / √3 m
    • D) 50 / 3 m

    Answer: 50 / 3 m

    Explanation: Using tan 30° and tan 60°, we relate the heights and distances to find the height of the building.