Y by son7, Mango247, Mango247, Mango247
On the extension of the side
of triangle
is taken, and point
is taken so that line
is tangent to the circumscribed circle
of triangle
. Line
intersects the circumscribed circle of triangle
at point
, and
. It turned out that the bisector of the angle
touches the circle
. Find the angles of triangle 













This post has been edited 2 times. Last edited by parmenides51, Feb 5, 2021, 8:12 PM