37. Let M be a point of contact of two internally touching circles . Let line AMB be their common tangent . The chord CD of the bigger circle touches the smaller circle at point N and chord CM and chord DM of bigger circle intersect the smaller circle at points P&R respectively . Prove that ANGLE CMN = ANGLE DMN

37. Let M be a point of contact of two internally touching circles . L

1.	37. Let M be a point of contact of two internally touching circles . Let line AMB be their common tangent . The chord CD of the bigger circle touches the smaller circle at point N and chord CM and chord DM of bigger circle intersect the smaller circle at points P&R respectively . Prove that ANGLE CMN = ANGLE DMN
Answer» 37. Let M be a point of contact of two internally touching circles . Let line AMB be their common tangent . The chord CD of the bigger circle touches the smaller circle at point N and chord CM and chord DM of bigger circle intersect the smaller circle at points P&R respectively . Prove that ANGLE CMN = ANGLE DMN