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    1. Home
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    3. Quantitative Aptitude
    4. Mensuration
    5. Find the number of sides in a polygon in which each internal angle is 120° ?

    Question

    Find the number of sides in a polygon in which each

    internal angle is 120° ?
    A 8 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    Internal Angle = ((n-2) × 180)/n According to the question, ((n-2) × 180)/n = 120° 3n – 6 = 2n n = 6

    Practice Next
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    Relevant for Exams:

    • SSC CHSL
    • IB ACIO Executive

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