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in the given figure, two circles C1 and c2 touch each other internally at Q with centres O and O' respectively. If radii of bigger and smaller circles are 4 cm and 3 cm respectively and ACDB is the straight line of 2root15 cm, then find lengths of OA and AC​

Answer» OA:√19AC√5(√3-1)Step-by-step EXPLANATION:SEE THE ABOVE PHOTO


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