Presentation on theme: "Warm-Up Draw an example of a(n)…"— Presentation transcript:
1 Warm-Up Draw an example of a(n)… QuadrilateralPentagonOctagonand list how many sides the figure has.
2 Properties and Attributes of Polygons Geometry 6-1Properties and Attributes of Polygons
3 Definition Polygons Not Polygons A polygon is a closed plane figure formed by three or more segments that intersect only at their endpoints.PolygonsNot Polygons
4 Parts of a PolygonEach segment that forms a polygon is a side of the polygon. The common endpoint of two sides is a vertex of the polygon. A segment that connects any two nonconsecutive vertices is a diagonal.
8 DefinitionsA regular polygon is one that is both equilateral and equiangular. If a polygon is not regular, it is called irregular.A polygon is concave if any part of a diagonal contains points in the exterior of the polygon.If no diagonal contains points in the exterior, then the polygon is convex.
9 Tell whether the follow polygons are regular/irregular and concave/convex. irregular, convexregular, convex