Civil Service Exam Reviewer · Measurement and Geometry · hard

Each exterior angle of a regular polygon measures 40°. How many sides does it have?

  1. 4.5
  2. 11
  3. 9
  4. 32

Answer

C. 9

Solution

Exterior angles of any polygon sum to 360°: n = 360 ÷ 40 = 9.

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