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

Two-Observer or Two-Object Problems

Lesson 4 of 6

When a single object is seen from two points, form two right triangles sharing a common side (usually the height). Set up equations from the two angles and solve simultaneously to find both the unknown height and distance.

Setting Up the Problem

Common Angles and Values

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