Activity3 Angles of elevation and depression

Objectives

Understand the angle of elevation and angle of depression and what is the use of them.

Estimated Time

40 minutes

Prerequisites/Instructions, prior preparations, if any

know about hypotenuse, short leg, long leg,right angle and vertices of right triangle and how to measure side and angle by using ruler and Protractor.

Materials/ Resources needed

Digital : Click here to open the file.

Non-digital : Tape measure.

Process (How to do the activity)

Download this geogebra file from this link.

Procedure:

1. Identify the segment that represents the line of sight.
2. Identify the angle that represent the angle of elevation or angle of depression

Evaluation at the end of the activity

Go back - click here