C2. In the given figure, O is the centre of the circleand ZAOB = 70°.Calculate the values of (i) ZOCA, (ii) ZOAC.O70°АB​

Here,<AOB 2LACB

(angle at the center is double at the circumference at the same chord)

= ACB = 70degree/ 2 = 35 degree

Now OC = OA

<OCA = <OAC = 35 degree