DorelTibi

Find the measure of each exterior angle of a regular 18-gon.

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DorelTibi

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is it 18n=360
n=20

DorelTibi

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help me please

DorelTibi

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helpppppppp

mathstudent55

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The sum of the measures of the exterior angles of a polygon, taken one per vertex, is 360. This is no matter how many sides the polygon has.

mathstudent55

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A regular polygon has all interior angles congruent and all exterior angles congruent. Also, each exterior angle is supplementary to its adjacent interior angle.

DorelTibi

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so im right?

mathstudent55

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Yes