Math, asked by priyansh7898, 5 months ago

Q1. In the figure given below if ∠ABC = 20º and O is centre of circle, then find ∠AOC:

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Answered by sugeshdev033

8

Answer:

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°

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