# pentomino

> a polygon in the plane made of 5 equal-sized squares connected edge-to-edge

**Wikidata**: [Q247406](https://www.wikidata.org/wiki/Q247406)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pentomino)  
**Source**: https://4ort.xyz/entity/pentomino


## References

1. [Source](https://web.ma.utexas.edu/users/smmg/archive/1997/radin.html)
2. Freebase Data Dumps. 2013