arXiv
Open Access
2016
A simple proof of Feuerbach's theorem
Franz Hofbauer
Abstrak
The theorem of Feuerbach states that the nine-point circle of a nonequilateral triangle is tangent to both its incircle and its three excircles. We give a simple proof of this theorem.
Topik & Kata Kunci
Penulis (1)
F
Franz Hofbauer
Akses Cepat
Informasi Jurnal
- Tahun Terbit
- 2016
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- en
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- arXiv
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- Open Access ✓