Question

In figure 10.7 (given), O is the centre of the circle. If ACB = 30°, then ABC is equal to ??​

Answer 1

Answer:

∠ABC + ∠ACB + ∠BAC = 180°

∠ABC + 30° + 90° = 180°

∠ABC + 120° = 180°

∠ABC = 180° - 120°

∠ABC = 60°

Hope it helped you

Please mark me as BRAINLIEST