JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Geometrical Problems

  • question_answer
    If a polygon has 44 diagonals, then the number of its sides are                 [MP PET 1998; Pb. CET 1996, 2002]

    A) 7

    B) 11

    C) 8

    D) None of these

    Correct Answer: B

    Solution :

    Since\[^{n}{{C}_{2}}-n=44\Rightarrow n=11\].


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