Let D2,E2 are intersection points of circle passing thoruhgh $P,Q,R,S$ and circumcircle of ABC. {**] D2,E2 are also on the line passing through A2,B2,C2.
Let H=X(4)-Orthocenter of ABC. A 1 B 1 C 1 cevian triangle of H. B1 A , C1 A are reflections of B1, C1 on A. L A , line through B1 A , C1...
Let D2,E2 are intersection points of circle passing thoruhgh $P,Q,R,S$ and circumcircle of ABC.
ReplyDelete{**] D2,E2 are also on the line passing through A2,B2,C2.