Saturday, November 28, 2020

1578.

-
Labels:

1 comment:

  1. Dr. Abdilkadir AltıntaşJanuary 18, 2021 at 1:39 AM

    ABC is perspective with A1B1C1 and A2B2C2. In both case perspector is X(4)-orthocenter of ABC.

    ReplyDelete

Subscribe to: Post Comments (Atom)

1996. A Collinearity