Polygon
Polygon
A closed plane figure for which all sides are line segments. The name of a polygon describes the number of sides. A polygon which has all sides mutually congruent and all angles mutually congruent is called a regular polygon.
| Number of sides | Polygon name |
|
| 3 | triangle | |
| 4 | quadrilateral | |
| 5 | pentagon | |
| 6 | hexagon | |
| 7 | heptagon | |
| 8 | octagon | |
| 9 | nonagon | |
| 10 | decagon | |
| 11 | undecagon | |
| 12 | dodecagon | |
| n | n-gon | |
See also