299/12 x 13.95 +?=252
In the given figure O is the centre of the circle and AB is a tangent at B. If AB = 15 cm and AC = 7.5 cm, Calculate the radius of the circle.
√12+√12+√12+√12+√12•••••••••••••• infinite
√12+√12-√12+√12-√12 •••••••••••••• infinite