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What is the internal angle sum of a polygon with 21 sides?
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8 votes
What is the internal angle sum of a polygon with 21 sides?

User Blueplastic
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2 Answers

14 votes
162.86 is the answer to this!!
User Jayhendren
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2 votes
The interior angle of a regular 21-gon is around 162.86∘
User Dan Polites
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