Y by Rounak_iitr
An acute-angled triangle
with an altitude
and orthocenter
are given.
intersects the circumcircle of
at
.
is a point on segment
such that
. The circumcircle of
intersects
at
and
at
. A line perpendicular to
and passing through
intersects
at
. Prove that the center of
lies on line
.
U. Maksimenkau





















U. Maksimenkau
This post has been edited 1 time. Last edited by nAalniaOMliO, Oct 31, 2024, 10:11 AM