Concept information
Terme préférentiel
isogonal conjugate
Définition(s)
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In geometry, the isogonal conjugate of a point P with respect to a triangle △ABC is constructed by reflecting the lines PA, PB, PC about the angle bisectors of A, B, C respectively. These three reflected lines concur at the isogonal conjugate of P. (This definition applies only to points not on a sideline of triangle △ABC.) This is a direct result of the trigonometric form of Ceva's theorem.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Isogonal_conjugate)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/PSR-V516SJ3T-N
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