Question

6.
A
If O is the centre of the circle and A+ BOC = 120°, then BOC =
a) 40°
b) 80°
c) 60°
d) 100
​

Answer 1

Answer:

80°

Step-by-step explanation:

angle subtended by an arc at the centre of the circle is double the angl subtended at any other point of the circle.