# Halin graph

> a type of planar graph formed from a tree by adding a cycle of edges through its leaves

**Wikidata**: [Q2913731](https://www.wikidata.org/wiki/Q2913731)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Halin_graph)  
**Source**: https://4ort.xyz/entity/halin-graph