Copy of Polygons: Exterior Angles - REVAMPED
The exterior angles of a triangle, quadrilateral, and pentagon are shown, respectively, in the applets below.
You can control the size of a colored exterior angle by using the slider with matching color.
Feel free to move the vertices of these polygons anywhere you'd like.
Note:
For the quadrilateral & pentagon, the last two applets work best if these polygons are kept convex.
If you don't remember what this term means, click here for a refresher.
Exterior Angles of a Triangle
Exterior Angles of a Quadrilateral
Exterior Angles of a Pentagon
1.
What do you notice? What is common about the measures of the exterior angles of any one of these polygons?