Circle theorems, please help! I’m not really sure how to do this

Question

asked Dec 19, 2021 133k views

1 Answer

Barerd · Answer 1 · 2021-12-23T22:05:50+0000

Answer:

30°

Explanation:

Sector AB makes an angle 60° at the centre

Because BC makes an equilateral triangle with the centre

Angle at the circumference: angle ACB

½(60) = 30°