| A | B |
|---|
| Polygon | A simple closed figure in a plane formed by three or more line segments |
| Triangle | A polygon that has three sides |
| Quadrilateral | A polygon having four sides |
| Pentagon | A polygon having five sides |
| Hexagon | A polygon having six sides |
| Heptagon | A polygon having seven sides |
| Octagon | A polygon having eight sides |
| Nonagon | A polygon having nine sides |
| Decagon | A polygon having ten sides |
| Undecagon | A polygon having eleven sides |
| Dodecagon | A polygon having twelve sides |
