Tuesday, August 31, 2021

1748. Antiparalles From Nine Point Center

1 comment:

  1. Instead of N, if we use X(20)-Delongchamps point, A1B1C1 is homothetic to ABC.

    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...