jademiddleton81 jademiddleton81

22-05-2017
Mathematics

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Find the number of sides of a regular polygon if one interior angle us 60 degrees

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25-05-2017

360°÷n = number of sides of a regular polygon.

n= one of the exterior angle of a regular polygon.

180°-60°=120°
n=120°

360°÷120°= 3

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