Question

In circle o. Ab is diameter. Point c is any point on the circle. If angle A=30 find m angle B

Answer 1

Answer:

Measure of angle b= 150°

Step-by-step explanation:

AB is the diameter

Let O the centre of the circle

Thus, angle AOB= 180°

And angle AOC = 30°

Measure of angle B = 180°- 30°

= 150°