NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 82

The number of sides of a regular polygon whose extenrior angles are each 72° is? A. 7 B. 6 C. 5 D. 8

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (C) C

Explanation

The exterior angles of a polygon add up to 360°, so the number of sides = 360/72 = 5.