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11-02-2021
Mathematics

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What is the number of sides of a regular polygon if each interior angle measures 160°?

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11-02-2021

Answer:

18

Step-by-step explanation:

180-160 = 20 which equals the exterior angle

the sum of exterior angles is 360 so 360/20 = the number of sides as there is an exterior angle for every side

360/20 = 18

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