Let be an acute-angled triangle with . Let be the intersection of the tangents to the circumcircle of at and . The line through the midpoints of line segments and meets lines and at and respectively.
Prove that the quadrilateral is cyclic.
Let be an acute-angled triangle with . Let be the intersection of the tangents to the circumcircle of at and . The line through the midpoints of line segments and meets lines and at and respectively.
Prove that the quadrilateral is cyclic.