Professional paper

Some less familiar circles in geometry of a triangle

Ljiljana Primorac Gajčić orcid.org/0000-0002-8460-3196 ; Odjel za matematiku, Sveučilište u Osijeku

Abstract

In this paper, we consider five circles associated with a triangle. They are named after their discoverers and they were discovered in the second half of the 19th century. Their interesting geometric properties and mutual relationships are also considered.

Keywords

triangle, circle, Fuhrmann circle, Spieker circle, Tucker circle, Lemoine circles, Droz-Farny circles

Hrčak ID:

254609

URI

https://hrcak.srce.hr/254609

Publication date:

15.1.2021.

Article data in other languages: croatian

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