# Japanese theorem for cyclic polygons

> theorem that no matter how one triangulates a cyclic polygon, the sum of inradii of triangles is constant

**Wikidata**: [Q1317367](https://www.wikidata.org/wiki/Q1317367)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Japanese_theorem_for_cyclic_polygons)  
**Source**: https://4ort.xyz/entity/japanese-theorem-for-cyclic-polygons


## References

1. Freebase Data Dumps. 2013