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20 votes
A 13 sided figure has how many
total degrees in its interior angles?

1 Answer

4 votes

9514 1404 393

Answer:

1980°

Explanation:

The formula for the sum of interior angles of an n-gon is ...

angle sum = 180°(n -2)

For n=13, the angle sum is ...

angle sum = 180°(13 -2) = 180°×11

angle sum = 1980°

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