English

Hirotaka's problem 028

General Mathematics 2021-03-16 v2

Abstract

In this article we discuss problem HI 028 of the Hirotaka files, a collection of sangakuproblems created by Hirotaka Ebisui.

Cite

@article{arxiv.2101.02007,
  title  = {Hirotaka's problem 028},
  author = {I. De Boeck},
  journal= {arXiv preprint arXiv:2101.02007},
  year   = {2021}
}

Comments

7 pages, 10 figures In the conclusion of the previous version 'external touching circles' should have been 'mutually external circles with no common points'. The proof of the reverse statement was added. So the previous article was adapted from the "conclusion" section

R2 v1 2026-06-23T21:50:13.525Z