Area and perimeter of a regular hexagon
- A regular hexagon is a polygon with six edges of equal length.
- The adjacent edges form an angle of 120 °.
- The radius of a circumscribed circle is the same as the length of the edges.
hexagon
| a | edge |
| C | circumcircle |
| c | incircle |
| R | radius (circumcircle) |
| r | radius (incircle) |
| O | center |
