prove the angle sum property of heptgon
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We can divide heptagon into 4 triangles. We know that sum of angles of a triangle is 180.So, the sum of the interior angles of aheptagon is 900 degrees. RegularHeptagons: The properties of regularheptagons: All sides are the same length (congruent) and all interiorangles are the same size (congruent)
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