# Saint-Venant's theorem

> theorem that the simply connected cross section with maximal torsional rigidity is a circle

**Wikidata**: [Q3699212](https://www.wikidata.org/wiki/Q3699212)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Saint-Venant's_theorem)  
**Source**: https://4ort.xyz/entity/saint-venant-s-theorem