Math, asked by sindhujaapur, 7 months ago

A, B and C are points on a circle with centre O. Angle ABC = 20 degree. Then angle AOC is equal to -------

Answers

Answered by dipti6663

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

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