Question

In the given figure , if ABC = 20º, then AOC is equal to:​

Answer 1

Answer:

⟹∠AOC=40

Step-by-step explanation:

We know that the angle at the centre of the circle is twice the angle at the circumference subtended by the same arc.

Thus,

∠AOC=2×∠ABC

⟹∠AOC=2×20

⟹∠AOC=40

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