Class 10 · Mathematics (Standard) · Unit 9: Some Applications of Trigonometry

Sanity Checking Answers

Lesson 6 of 6

Heights and distances are positive real numbers. A steeper angle means the object appears farther up for the same distance, i.e. more height. Cross-check that your answer respects the geometry (e.g., height not exceeding the possible base ratio).

Common Angles and Values

Unit complete

Try the practice skills

All lessons in this unit

1. Angle of Elevation
2. Angle of Depression
3. Setting Up the Problem
4. Two-Observer or Two-Object Problems
5. Common Angles and Values
6. Sanity Checking Answers