The golden ratio and the 25-gon
Geometric drawings, ratios, number theory and geometry, geometric art, construction of regular polygons, tessellations and other visual mathematical concepts.
Monday, September 6, 2021
Saturday, May 22, 2021
Regular polygons: nonagon
Visual geometry: the regular nonagon
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| Square root 3 in a nonagon | 
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| Nonagon: lines of 1, 2 and square root 3 in a nonagon | 






