Y by
Given a triangle 
. A circle 
passing through points 
and 
, intersects line segments 
and 
(not including endpoints) at points 
and 
, respectively, and 
holds. Let 
be the incenter of the triangle . Let 
and 
be the points, other than 
, where the straight lines 
and 
intersect the circle . Show that 
and lie on the same circle.
. A circle 
passing through points 
and 
, intersects line segments 
and 
(not including endpoints) at points 
and 
, respectively, and 
holds. Let 
be the incenter of the triangle . Let 
and 
be the points, other than 
, where the straight lines 
and 
intersect the circle . Show that 
and lie on the same circle.This post has been edited 2 times. Last edited by parmenides51, Nov 28, 2022, 1:38 PM
