A regular polygon has an exterior angle measuring . How many sides does this polygon have?

Answer and explanation

Correct answer: B. 15 sides

  1. Step 1: The sum of exterior angles of any convex polygon is always .
  2. Step 2: For a regular polygon with sides and exterior angle : .
  3. Step 3: Calculate: .
Answer
15 sides.
Why not the others: '12 sides' corresponds to an exterior angle of ; '18 sides' corresponds to ; '20 sides' corresponds to .

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