Education Technology

What's the Angle?

Published on 01/16/2004

Activity Overview

Students discover properties of interior and exterior angles of convex polygons using the TI-89 and Geometer's Sketchpad. (Topic - Interior and Exterior Angles of Convex Polygons)

During the Activity

Students will use the TI-89 and Geometer's Sketchpad to discover properties of interior and exterior angles of convec polygons. This activity can be teacher directed or discovery.

After the Activity

Review student answers:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary