An even more straightforward proof of Descartes's circle theorem
History and Overview
2022-12-02 v1
Abstract
How was this proof overlooked for 181 years? We give a simple proof of Descartes's circle theorem using Cayley-Menger determinants.
Cite
@article{arxiv.2211.05539,
title = {An even more straightforward proof of Descartes's circle theorem},
author = {Alden Bradford},
journal= {arXiv preprint arXiv:2211.05539},
year = {2022}
}