Question

please see this pic and help me with it ​

Answer 1

Answer:

60°

Step-by-step explanation:

Tangents always do an angle of 90° with the centre ...

Thus by applying Angle sum property of triangles we get <OAC =60°

Hope it helps ✌️✌️✌️✌️

Answer 2

Answer will be 60°

It is because angle OAC will be 90° ( by property of circle)

so sum of all angles of triangle is 180°

90°+30°+C = 180

120° + C = 180

C = 180-120

C = 60°