Zur existenz gleichseitiger dreiecke in H-ebenen

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


It is shown, by indicating how to construct one with ruler and gauge, that there are equilateral triangles in absolutes planes which need not satisfy the circle axiom. However, it is not possible to construct an equilateral triangle with given base in absolute planes, even if they satisfy BACHMANN'S Lotschnittaxiom or the Archimedean axiom.

Original languageGerman
Pages (from-to)147-153
Number of pages7
JournalJournal of Geometry
Issue number1-2
StatePublished - Jan 1 1998

ASJC Scopus subject areas

  • Geometry and Topology

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