# 1.6 Classify Polygons. Identifying Polygons Formed by three or more line segments called sides. It is not open. The sides do not cross. No curves. POLYGONS.

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1.6 Classify Polygons

Identifying Polygons Formed by three or more line segments called sides. It is not open. The sides do not cross. No curves. POLYGONS NOT POLYGONS

Terms Convex: a polygon is convex if no line that contains a side of the polygon contains a point in the interior of the polygon. Concave: a polygon that is nonconvex.

Classifying Polygons Number of Sides Type of PolygonNumber of Side Type of Polygon 3 Triangle 8 Octagon 4 Quadrilateral 9 Nonagon 5 Pentagon 10 Decagon 6 Hexagon 12 Dodecagon 7 Heptagon n n-gon

Definitions n-gon: a polygon with n number of sides. Equilateral: a polygon whose sides are all congruent. Equiangular: a polygon whose angles are all congruent. Regular: a polygon whose sides are equilateral and whose angles are equiangular.

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