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      Question

      Each interior angle of a regular polygon is 150┬░. Find

      the number of sides of the polygon.
      A 12 Correct Answer Incorrect Answer
      B 10 Correct Answer Incorrect Answer
      C 18 Correct Answer Incorrect Answer
      D 21 Correct Answer Incorrect Answer

      Solution

      Interior angle of a regular n-gon: [(n тИТ 2) ├Ч 180]/n = 150 тЗТ 180n тИТ 360 = 150n тЗТ 30n = 360 тЗТ n = 12 Answer: The polygon has 12 sides.

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