Sides of a Polygon
The sides of a polygon are the line segments that limit it.
Names of the Polygons
The polygons are defined based on the number of sides it has:
Triangle
3 sides.
Quadrilateral
4 sides.
Pentagon
5 sides.
Hexagon
6 sides.
Heptagon
7 sides.
Octagon
8 sides.
Enneagon or Nonagon
9 sides.
Decagon
10 sides.
Hendecagon
11 sides.
Dodecagon
12 sides.
Tridecagon or triskaidecagon
13 sides.
Tetradecagon or tetrakaidecagon
14 sides.
Pentadecagon
15 sides.
Hexadecagon
16 sides.
Heptadecagon
17 sides.
Octadecagon
18 sides.
Enneadecagon
19 sides.
Icosagon
20 sides.
