Exterior Angles of Polygons

Use this construction to investigate the sum of the exterior angles of a polygons.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and activated. (click here to install Java now)

1. Use the slider to resize the triangle. What is the sum of the exterior angles of a hexagon?
2. Use the red point on the hexagon to change the angle measures. Now use the slider to resize the hexagon. Does changing the angle measures effect the sum of the exterior anlges?

Barbara Perez, 11/7/06, Created with GeoGebra