Orthocenter of a triangle's anticomplementary triangle
In geometry, the de Longchamps point of a triangle is a triangle center named after French mathematician Gaston Albert Gohierre de Longchamps. It is the reflection of the orthocenter of the triangle about the circumcenter.[1]
^Kimberling, Clark, "X(20) = de Longchamps point", Encyclopedia of Triangle Centers.
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geometry, the deLongchampspoint of a triangle is a triangle center named after French mathematician Gaston Albert Gohierre deLongchamps. It is the reflection...
department Longchamp-sous-Châtenois, in the Vosges department Longchamp-sur-Aujon, in the Aube department Longchamps, Eure, in the Eure department Longchamps-sur-Aire...
of △ABC. The Bevan is point is also the midpoint of the line segment NL connecting the Nagel point N and the deLongchampspoint L. The radius of the Bevan...
cubic passes through the centroid, orthocenter, Gergonne point, Nagel point, deLongchampspoint, other triangle centers, the vertices of the anticomplementary...
points that lie on the Euler line include the deLongchampspoint, the Schiffler point, the Exeter point, and the Gossard perspector. However, the incenter...
Gaston Albert Gohierre deLongchamps (1 March 1842 – 9 July 1906) was a French mathematician. Gohierre deLongchamps was born on 1 March 1842 in Alençon...
through an analog of the Gergonne point and the Eppstein points. The four Soddy lines concur at the deLongchampspoint, the reflection of the orthocenter...
The Exeter point of triangle ABC lies on the Euler line (the line passing through the centroid, the orthocenter, the deLongchampspoint, the Euler centre...
Each point in the list is identified by an index number of the form X(n)—for example, X(1) is the incenter. The information recorded about each point includes...
de Longchampspoint Desargues' theorem Droz-Farny line theorem Encyclopedia of Triangle Centers Equal incircles theorem Equal parallelians point Equidissection...
vertex. A generalization of this notion is the Jacobi point. The deLongchampspoint is the point of concurrence of several lines with the Euler line....
Soddy line intersects the Euler line in the deLongchampspoint and the Gergonne line in the Fletcher point. It is also perpendicular to the Gergonne line...
intersection of the Euler line with the Soddy line and is known as the deLongchampspoint) and passes through these points as well as the two points of orthogonal...
Feuerbach point Darboux cubic: Z ( X ( 20 ) , X ( 1 ) ) {\displaystyle Z(X(20),X(1))} , where X ( 20 ) {\displaystyle X(20)} is DeLongchampspoint Neuberg...
and Ghia DeTomaso) De Tomaso 5000 De Tomaso Sport 2000 Mangusta Pantera Deauville Longchamp Guarà Biguà P72 Jonesn, Matthew (9 July 2012). "De Tomaso goes...
Races at Longchamp is an 1866 painting by the French artist Édouard Manet. The Impressionist painting depicts the ending of the Second Grand Prix de Paris...
became known as the City of Light. The City of Paris is the centre of the Île-de-France region, or Paris Region, with an official estimated population of 12...
Eye that was written and directed by one-time Belgian filmmaker Patrick Longchamps. Georges Bataille's Story of the Eye – 2004 experimental film adaptation...
training for the flight Following its construction, the Arc de Triomphe became the rallying point of French troops parading after successful military campaigns...
authority of Richard's chancellor, William Longchamp, who was a Norman. One of the specific charges laid against Longchamp, by John's supporter Hugh Nonant, was...
The Place de la Concorde (French: [plas də la kɔ̃kɔʁd]; lit. 'Concord Square') is one of the major public squares in Paris, France. Measuring 7.6 ha (19...
The Place de la Bastille (French pronunciation: [plas də la bastij]) is a square in Paris where the Bastille prison once stood, until the storming of the...
Sybille Bödecker (born 1948), East German slalom canoeist Sybille de Selys Longchamps (born 1941), Belgian aristocrat Sybille Gruner (born 1969), German...
orthocentric tetrahedron by G. deLongchamps in 1890. In an orthocentric tetrahedron the four altitudes are concurrent. This common point is called the orthocenter...
marché global de performance | CCI Business Grand Paris". grandparis.ccibusiness.fr. "Le chantier de la future Arena 2 lancé Porte de la Chapelle". CNEWS...