O, and O, are the centres of two congruent circles intersecting each o – InterviewSolution

1.	O, and O, are the centres of two congruent circles intersecting each other at pointsC and D. The line joining their centres intersects the circles in A and B such thatAB > O,02. If CD = 6 cm and AB = 12 cm, find the radius of each circle.4.
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