Concentric Circles and the Generalized Gergonne Point (CROSBI ID 541490)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Hoffmann, Miklos ; Gorjanc, Sonja
engleski
Concentric Circles and the Generalized Gergonne Point
The well-known triangle center, the Gergonne point is generalized for circles concentric to the inscribed circle in this paper. Given a triangle V1V2V3, a point I and three arbitrary directions q1, q2, q3, we consider a circle with radius r and center I, for which finding r=IQ1=IQ2=IQ3 along the given directions, the three cevians ViQi are concurrent. Solutions can be obtained by the common intersection points of three conics. Geometric properties and open problems related to the solutions are discussed in a synthetic way.
Gergonne point; conic; pencil of conic
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Podaci o prilogu
2008.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of 13th International Conference on Geometry and Graphics
Gunter Weiss
Dresden:
978-3-86780-042-6
Podaci o skupu
13th International Conference on Geometry and Graphics
predavanje
04.08.2008-08.08.2008
Dresden, Njemačka