Magic Ring

Magic Ring is a circular plastic ring with outer dia 25cm & inner dia 

20cm having holes on certain distance. This manipulative is designed to understand circle 

related concepts by placing it on drawing sheet or on white board. Magic ring is to understand 

the properties of circle, properties of opposite angles of cyclic quadrilateral, Angles in a 

semicircle is a right angle, Angles in the same segment of a circle are equal.