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What is the sum of the measures of the interior angles of a regular polygon if leach exterior angle measures 120°?

1 Answer

1 vote

Answer:

180

Explanation:

180-120 = 60 this is one of all the congruent angles

of the top of my head i know a regular triangle has three 60 degree angles meaning it is 60*3 = 180

User Santtu Pajukanta
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