Friday, February 2, 2024

1970. Lines Through Incenter

1 comment:

  1. Conjecture. Let P be triangle center of ABC on K001 Neuberg cubic of ABC. P1, P2 are two points on the K001-Neuberg Cubic of ABC such that line P1P2 passes through P.
    Circle with diameter [P1P2] intersects the Neuberg Cubic of ABC at P3, P4.
    * P3, P4 and P* (Isogonal Conjugate of P) are collinear points.

    ReplyDelete

1988. Circumcenters On Euler Line

  Let ABC be a triangle with P, Q are two points on Euler line of ABC. A',B',C' are inverse images of A,B,C through circle diame...