Y by GeoKing, Supercali, Rg230403, kiyoras_2001
Let
be a triangle with midpoint
of
. A point
is called immaculate if the perpendicular line from
to line
intersects lines
and
at two points that are equidistant from
. Suppose
are three immaculate points on the circumcircle of triangle
. Prove that
is the incentre of
.
Proposed by Pranjal Srivastava and Rohan Goyal













Proposed by Pranjal Srivastava and Rohan Goyal
This post has been edited 1 time. Last edited by anantmudgal09, Jun 13, 2024, 3:42 PM