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15 November, 18:15

If an interior angle of a regular polygon measures 120°, how many sides does the polygon

have?

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Answers (1)
  1. 15 November, 20:45
    0
    Step-by-step explanation:

    Interior angle = (n - 2) 180/n

    120 = (n - 2) 180/n

    120n = (n - 2) 180

    120n = 180n - 360

    360 = 180n - 120n

    360 = 60n

    n = 360/60

    n = 6

    The polygon as 6sides
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