Y by
Around the triangle
with an angle
, a circle is circumscribed, The tangents to the circle drawn at points
and
intersect at point
. Points
and
are marked on the rays
and
, respectively, such that
. Prove that points
are collinear,











This post has been edited 1 time. Last edited by parmenides51, Mar 9, 2021, 5:13 PM