Circumcentre এর লীলাখেলা
Posted: Fri May 25, 2012 7:34 pm
Let ABCD be a quadrilateral.AC and BD intersect at P.Let the circumcentres of ADP and BPC are Q and R respectively.Let the midpoints of AC,BD and QR are M,N,O respectively.Prove that the circumcentre of MNP is O