5.4 Polygons Triangle Quadrilateral Pentagon Hexagon Heptagon ...
5.4 Polygons Triangle Quadrilateral Pentagon Hexagon Heptagon ...
5.4 Polygons Triangle Quadrilateral Pentagon Hexagon Heptagon ...
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Finding Sums of the Angle Measures in <strong>Polygons</strong>Draw diagonals from one vertex:How many triangles?Sum of the angle measures?How many triangles?Sum of the angle measures?How many triangles?Sum of the angle measures?So... the sum of the angle measuresof a n-gon is(180)(n - 2)