Multiple Choice Questions on If a polygon has 54 diagonals then the number of sides of the polygon is ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If a polygon has 54 diagonals then the number of sides of the polygon is ........

Quantitative Aptitude ( CCS) Geometry
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    If a polygon has 54 diagonals, then the number of sides of the polygon is:

    8

    Incorrect Answer

    12

    Correct Answer

    16

    Incorrect Answer

    20

    Incorrect Answer
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    Explanation:

    n(n – 3)/2 = 54
    n(n – 3) = 108
    n = 12

    By: MIRZA SADDAM HUSSAIN
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