Math Forum - Project of the Month

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November 1998 Project of the Month

Find the Angle Sum of Star Polygons

November's Winners

First, looking at the two "star polygons" in the picture, find the sum of the angles formed at the tips of each star.

Second, find a formula for the sum of the angle measures at the tips of an n-pointed star.

Make sure you explain how you did each part, and you might want to include some examples.

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