Rosebud3533 Rosebud3533

06-05-2018
Mathematics

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Which regular polygon would have each of its interior angles measure 120°? hexagon heptagon octagon nonagon?

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mkryukova19 mkryukova19

06-05-2018

Sum of angles of regular polygon = 180*(n-2), n - number of sides, or angles.

120n=180*(n-2)

120n=180n-360
180n-120n=360
60n =360
n=6

It is hexagon.

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