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OpenStudy (anonymous):
What is the sum of the measures of the angles of a 20-gon
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OpenStudy (imstuck):
The sum of all angles in any polygon (n-gon) is 360 degrees. Each individual angle measures 18 degrees (360 / 20).
OpenStudy (anonymous):
@IMStuck, that's correct for exterior angles of any polygon, but not necessarily interior angles. @helloashley_ should clarify if the question is concerning exterior or interior angles.
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