Let be the reflection of the orthic triangle of the reference triangle in the nine-point center. Then and are in perspective, with their perspector known as the Prasolov point. This point has triangle center function
and is Kimberling center .
Let be the reflection of the orthic triangle of the reference triangle in the nine-point center. Then and are in perspective, with their perspector known as the Prasolov point. This point has triangle center function
and is Kimberling center .
Weisstein, Eric W. "Prasolov Point." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PrasolovPoint.html