1987 OIM Problems/Problem 2
Problem
On a triangle ,
and
are the respective midpoints of sides
and
, and
is the midpoint of the intersection of
and
. Prove that, if is possible to inscribe a circumference in the quadrilateral
, then triangle
is isosceles.
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.