# perpendicularity

> property of being at a right angle (90 degrees)

**Wikidata**: [Q205034](https://www.wikidata.org/wiki/Q205034)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Perpendicular)  
**Source**: https://4ort.xyz/entity/perpendicularity


## References

1. Freebase Data Dumps. 2013
2. [Source](https://byjus.com/maths/perpendicular-lines-geometry/#:~:text=Perpendicular%20lines%20are%20represented%20by,l1%E2%8A%A5l2.)
3. Quora
4. GF WordNet
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)