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Circle incidence theorems

J. Chris Fisher ; Eberhard M. Schröder ; Jan Stevens (Institutionen för matematiska vetenskaper, matematik)
Forum Geometricorum: A Journal on Classical Euclidean Geometry (1534-1178). Vol. 15 (2015), p. 211-228.
[Artikel, refereegranskad vetenskaplig]

Larry Hoehn discovered a remarkable concurrence theorem about pentagrams. Draw circles through two consecutive vertices and the intersection points of the sides in between. Then the radical axes of each pair of consecutive circles are concurrent or parallel. In this note we prove a generalization to n-gons.

Denna post skapades 2015-12-21.
CPL Pubid: 228851


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