Concept information
Término preferido
isodynamic point
Definición
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In Euclidean geometry, the isodynamic points of a triangle are points associated with the triangle, with the properties that an inversion centered at one of these points transforms the given triangle into an equilateral triangle, and that the distances from the isodynamic point to the triangle vertices are inversely proportional to the opposite side lengths of the triangle. Triangles that are similar to each other have isodynamic points in corresponding locations in the plane, so the isodynamic points are triangle centers, and unlike other triangle centers the isodynamic points are also invariant under Möbius transformations. A triangle that is itself equilateral has a unique isodynamic point, at its centroid(as well as its orthocenter, its incenter, and its circumcenter, which are concurrent); every non-equilateral triangle has two isodynamic points. Isodynamic points were first studied and named by Joseph Neuberg (1885).
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Isodynamic_point)
Concepto genérico
En otras lenguas
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francés
URI
http://data.loterre.fr/ark:/67375/PSR-GRQKPPJT-K
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