Y by
In the convex quadrilateral
,
and
. Points
and
, other than the vertices of the quadrilateral, lie on the sides
and
, respectively, and
and the lines
and
are parallel. It is known that the point
of intersection of the segments
and
is equidistant from the lines
and
. Prove that
.
















This post has been edited 1 time. Last edited by parmenides51, Jul 11, 2021, 9:21 AM