If a polygon has 14 diagonals, then the number of its sides are

If a polygon has 14 diagonals, then the number of its sides are

  1. A

    11

  2. B

    7

  3. C

    8

  4. D

    None of these

    Register to Get Free Mock Test and Study Material

    +91

    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    Let n be the number of diagonals of a polygon .Then

     nC2n=44n(n1)2n=44n23n88=0n=8 or 11n=11

    Chat on WhatsApp Call Infinity Learn

      Register to Get Free Mock Test and Study Material

      +91

      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.