Investigation: Sum of Exterior Angle of Polygon

Author:: Cory Larson, Alfred Estberg

Click on one of the given polygons. The "Dilate" slider will appear. Move the slider to the left. What do you notice? What is true about the set of exterior angles of the polygon? Do this for all 5 given polygons. Can you create a conjecture that is true for all sets of exterior angles of polygons?

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