1. Objective To use angles of elevation and depression to solve problems

2. Angle of elevation The angle formed by a horizontal line and the line of sight to an object above the horizontal line. Angle of depression The angle formed by a horizontal line and the line of sight to an object below the horizontal line.

3. You can use the angles of elevation and depression as the acute angles of right triangles formed by a horizontal distance and a vertical height. Horizontal Line 38˚ Angle of Elevation Angle of Depression

4.  8-4 Worksheet