Lesson eLearning

A ladder 10m long touches a wall at height 5m. Find angle of elevation.

medium MCQ Class 10 · Mathematics · Some Applications of Trigonometry
  1. 30°
  2. 45°
  3. 60°
  4. 90°
Answer
30°

The correct answer is 30° — θ = 30°.

Step-by-step solution

  1. sin θ = Height / Ladder = 5 / 10 = 1/2.
  2. θ = 30°.

Concept tested: Applications of Trigonometry

Published · How this solution was prepared and checked

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