Tuesday, November 2, 2021

1750.

1 comment:

  1. https://www.facebook.com/photo.php?fbid=10221394246146330&set=p.10221394246146330&type=3

    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...