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Interior and exterior angles of a polygon

Problem

The sum of interior angles of a regular polygon is 1260°.
Find the measure of each interior angle of the polygon.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
°
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