engineering mathematics MCQ #7

The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 9 m away from the wall. The length of the ladder is

engineering mathematics MCQ #7

  1. Question 1

    Q1. The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 9 m away from the wall. The length of the ladder is

    • A) 18 m
    • B) 12 m
    • C) 15 m
    • D) 20 m

    Answer: 18 m

    Explanation: Using cos(60°) = adjacent side / hypotenuse, we find the length of the ladder.