Question

if angle ABC = 60°, then Find angle AOC.​

Answer 1

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Given :-

Angle ABC = 60°

Find :-

AOC = ?

Solution :-

ABC = 60°/2

AOC = 30°

Answer 2

Answer:

120 degrees

Step-by-step explanation:

Arc AC subtends angle ABC and angle AOC at the centre.

Thus, Angle subtended by same arc at the centre is always double the angle subtended by the same arc at any point on the circumference of the circle.

Angle AOC = 2 x angle ABC

Angle AOC = 2 x 60 = 120 degrees.