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    Question

    A polygon has 104 diagonals, the number of sides of the

    polygon is?┬а
    A 16 Correct Answer Incorrect Answer
    B 22 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 11 Correct Answer Incorrect Answer

    Solution

    The number of diagonal of N sided polygon = N(N-3)/2 = 104 or N(N - 3) = 208 So by options , N = 16

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