Y by Rounak_iitr, OronSH, john0512, Tastymooncake2, GeoKing, KhaiMathAddict, Funcshun840, Jack_w
Point
is selected inside acute
so that
and
. Point
is chosen on ray
so that
. Let
be the midpoint of
.
Show that line
is tangent to the circumcircle of triangle
.
Proposed by Anton Trygub









Show that line


Proposed by Anton Trygub
This post has been edited 1 time. Last edited by ihatemath123, Mar 21, 2024, 2:53 PM