Mathematics, 04.11.2020 17:20, WTDjase

Write a proof of the Polygon Interior Angle-Sum Theorem. The sum of the measures of the interior angles of a convex n-gon is 180 - (n-2).
By drawing every diagonal from one vertex in a convex, n-sided polygon, the polygon can be decomposed into N-2 triangles.
By the
the sum of the measures of the angles in a triangle is

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Write a proof of the Polygon Interior Angle-Sum Theorem. The sum of the measures of the interior an...