Wednesday, March 23, 2022

1819. Myakishev Associate Triangles


1 comment:

  1. For P=X(2), X(4), X(7), X(8) and related perspectors Q, center of circle in non-ETC point.

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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...