Video Description: Music Video of song off Peter Weatherall's Jumping Jellybeans music CD, available at itunes and artist website: www.kidsinglish.com
 
A Polygon is a plane figure that is bounded by a closed path or circuit, composed of a finite sequence of straight line.
 
A regular polygon is a polygon which is equiangular (all angles are congruent) and equilateral (all sides have the same length).
 
An n-sided convex regular polygon  is denoted by its Schläfli symbol {n}:

• Equilateral triangle {3}

• Square {4}

• Regular pentagon {5}

• Regular hexagon {6}

• Regular heptagon {7}

• Regular octagon {8}

• Regular enneagon or nonagon {9}

• Regular decagon {10}

• Regular hendecagon {11}

• Regular dodecagon {12}