THE REGULAR NONAGON
The regular nonagon or 9-gon has 9 lines of equal length arranged around a middle point.
Figure 1:The nonagon
The number 9 has the singularity of being a square number as well as being a number divisible by 3.
Figure 2:The nonagon as a squared number
Figure 3:The regular nonagon as a number divisible by 3
The nonagon can be constructed by neusis construction using the hexagon as a base.
Figure 4:Neusis construction of a regular nonagon using the hexagon as a base
The relation between the nonagon and the square root 3:
Figure 5:The regular nonagon and the square root of 3
The regular nonagon and the Archimedes trisection
