engineering mathematics MCQ #60

A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, find the height of the wall.

engineering mathematics MCQ #60

  1. Question 1

    Q1. A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, find the height of the wall.

    • A) 15√3 / 2 m
    • B) 7.5 m
    • C) 15 / 2 m
    • D) 7.5√3 m

    Answer: 15 / 2 m

    Explanation: Using cos(60°) = height / 15, height = 15 / 2 m.