Heptagons

 

Heptagons

15-gon art design , 4n+3

 15-gon art , 4n+3

The nonagon and the square root 3

The nonagon and the square root 3

 

The nonagon and lines of 1 , 2 and square root 3. The circle in red has a radius of square root 3.

Nonagon and square root 3

 

The nonagon and the square root of 3

17-gon and square root 3

 

23-gon and triangles

 

23-gon and triangles

23-gon

 23-gon

23-gon

23-gon and hexagons

23-gon and squares

heptagon and nonagon

 

10-gon and 15-gon

 

The nonagon

 THE REGULAR NONAGON

The regular nonagon or 9-gon has 9 lines of equal length arranged around a middle point.

Figure 1:The nonagon

 

25-gon

 The golden ratio and the 25-gon

Regular polygons: nonagon

 Visual geometry: the regular nonagon

Square root 3 in a nonagon

Nonagon: lines of 1, 2 and square root 3 in a nonagon

The square root of 2 and the golden ratio

 

Nonagon and hexagon

 NONAGON

construction of a regular nonagon, 9-gon , 

Heptagon and square root 2

 

Heptagon and square root 2