Question 592264
What is the measure of an exterior angle of a regular 15-gon?
360/15 = 24 degrees
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What is the sum of the exterior angles of a 32-gon?
It's 360 degs for all polygons.
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and

If an exterior angle of a regular polygon is 15 degrees, how many sides does the polygon have?
This is similar to the 1st problem.