The construction of a 27-gon is based on the general construction methods for 6n+3 polygons.
Starting with the nonagon, 18-gon (double the nonagon) , and we can find the defining lines to construct the 27-gon.
 |
| 27-gon neusis construction |
The construction of a 27-gon is based on the general construction methods for 6n+3 polygons.
Starting with the nonagon, 18-gon (double the nonagon) , and we can find the defining lines to construct the 27-gon.
|
| 27-gon neusis construction |
