Thursday, May 5, 2022

1843. A Locus For K018-Brocard (second) cubic

2 comments:

  1. NPC is also a part of locus. For P lies on Nine point circle of ABC, Q lies on the orthic axis. (B.Gibert)

    ReplyDelete
  2. https://bernard-gibert.pagesperso-orange.fr/Exemples/k018.html

    ReplyDelete

1987. Circumcenter On Euler Line

 Let H=X(4)-Orthocenter of ABC. A 1 B 1 C 1 cevian triangle of H. B1 A , C1 A are reflections of B1, C1 on A. L A , line through B1 A , C1...