New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    How many sides does a regular polygon with each interior

    angle measuring 140° have?
    A 4 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 9 Correct Answer Incorrect Answer
    D 13 Correct Answer Incorrect Answer

    Solution

    ATQ, For a regular polygon with n sides, each interior angle = (180 - 360/n)° 140° = 180° - 360/n 360/n = 40° n = 360 / 40 = 9

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