Question

in the figure given below if angleABC=20°and O is center of circle , then find angle AOC​

Answer 1

Answer:

Given, ∠ABC = 20°

We know that, angle subtended at the centre by an arc is twice the angle subtended by it at the remaining part of circle.

∠AOC = 2∠ABC = 2 x 20° = 40°

Answer 2

Answer:

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