Sunday, February 4, 2024

1971. Collinear Points On K001-Neuberg Cubic of ABC

1 comment:

  1. Coliinearity od A, P1, P2 is true for any circle passing through BC.

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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...