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Railways PYQCBT 2 2017

RRB NTPC · Question 1

Each exterior angle of a regular polygon measures 9°. How many sides does the polygon have?

  1. 30

  2. 40

  3. 45

  4. 36

Show answer & explanation

Answer: (B) 40

Explanation

The exterior angles of any polygon add up to 360°. With each exterior angle 9°, the number of sides = 360 ÷ 9 = 40.