For $P$=$X(13)$ or $X(14)$, $A_2B_2C_2$ is equilateral.
For $P$=$X(13)$, Q=X(6770)=OUTER-NAPOLEON-TO-INNER-NAPOLEON SIMILARITY IMAGE OF X(4).
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...
For $P$=$X(13)$ or $X(14)$, $A_2B_2C_2$ is equilateral.
ReplyDeleteFor $P$=$X(13)$, Q=X(6770)=OUTER-NAPOLEON-TO-INNER-NAPOLEON SIMILARITY IMAGE OF X(4).
ReplyDelete