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Railways PYQCBT 1 2016

RRB NTPC · Question 69

The number of sides of a regular polygon whose exterior angles are each 45° is: A. 7 B. 6 C. 8 D. 9

  1. A

  2. C

  3. D

  4. B

Show answer & explanation

Answer: (B) C

Explanation

The exterior angles of any polygon add up to 360°. With each exterior angle 45°, the number of sides = 360/45 = 8 (an octagon).