Question

hey guys please answer me with resons

only two questions

Answer 1

Answer:

30

Step-by-step explanation:

As oa and on are equal so by isosceles triangle property both angles will be equal

60+60+angle aob=180

Angle aob= 60

As the angle at the circumference is half of the angle at centre so angle acb =30

Answer 2

hope it's helpful to you. . . .