![]() Polygons have been known since ancient times. These and other generalizations of polygons are described below. Geometrically two edges meeting at a corner are required to form an angle that is not straight (180°) otherwise, the line segments may be considered parts of a single edge however mathematically, such corners may sometimes be allowed. A polygonal boundary may be allowed to intersect itself, creating star polygons. Mathematicians are often concerned only with the bounding closed polygonal chain and with simple polygons which do not self-intersect, and they often define a polygon accordingly. A polygon is a 2-dimensional example of the more general polytope in any number of dimensions.The basic geometrical notion of a polygon has been adapted in various ways to suit particular purposes. The interior of the polygon is sometimes called its body. ![]() These segments are called its edges or sides, and the points where two edges meet are the polygon's vertices (singular: vertex) or corners. In elementary geometry, a polygon /ˈpɒlɪɡɒn/ is a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit. Some polygons of different kinds: open (excluding its boundary), bounding circuit only (ignoring its interior), closed (both), and self-intersecting with varying densities of different regions. Download this app named Polygon Wallpaper.✸Polygon Wallpaper✸įor other uses, see Polygon (disambiguation).
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