How to prove the sum of interior angles is (n-2)180?

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Answers ( 17 )

  1. Jenny

    The Sum of the Interior Angles of a Triangle Equals 180 Degrees by Paper Folding :

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  3. Koug

    Unizor - Math Concepts - Mathematical Induction - Problem 4 :

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  6. Abby

    8.1 Polygon Interior Angles Sum :

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  7. Justin

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  8. Douglas

    Sum of Interior Angles :

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  9. Janet

    Showing a generalized way to find the sum of the interior angles of any polygon
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  10. Dirty Thomas

    Proof - Sum of Measures of Angles in a Triangle are 180 :

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  11. Dirty Thomas

    Prove the Sum of a Polygon's Internal Angles. :

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    Ratings : 64 %   

      
  12. Spider Edward

    How To Work Out The Sum Of Interior Angles Using The Formula S = 180(n-2) :

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    Ratings : 17 %   

      
  13. Lysander

    Sum of Angles of a Polygon (n-2)180 :

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    Ratings : 67 %   

      
  14. Old Christopher

    Sum of Interior Angles of a Polygon - MathHelp.com :

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  15. Mélody

    Each Interior Angle of a Regular Polygon - MathHelp.com :

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  16. Falcon Hector

    Unizor - Geometry2D - Parallel Lines - Mini Theorems 2 :

    how to prove the sum of interior angles is (n-2)180

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