Polygons

Polygons

A polygon is a closed figure where the sides are all stock segments. Each side must intersect exactly two others sides but on your own at their endpoints. The sides must be noncollinear and have a common endpoint.
Polygons
A polygon is usually named after how many sides it has, a polygon once n-sides is called a n-gon. E.g. the building which houses United States Department of Defense is called pentagon in assistance it has 5 sides.
Sides                  Polygon
3                           triangle
4                           quadrilateral
5                           pentagon
6                           hexagon
7                           heptagon
9                           nonagon
10                        decagon
A regular polygon is a polygon in which each and every one sides are congruent and all the angles are congruent.