# regular nonagon

> convex regular polygon with 9 sides

**Wikidata**: [Q18017976](https://www.wikidata.org/wiki/Q18017976)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Regular_nonagon)  
**Source**: https://4ort.xyz/entity/regular-nonagon


## References

1. [Source](http://www.polytope.net/hedrondude/polygons.htm)