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What is the measure of an exterior angle in a regular dodecagon?
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What is the measure of an exterior angle in a regular dodecagon?

User DJJ
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1 Answer

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duodecagon = 12sides
so each interior angle = [(12-2)180]÷12 = 1800÷12= 150°

so an exterior angle = 180 - interior angle
= 180-150 = 30°
User Paulgv
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