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In the adjoining figure, O is the centre of a circle. If ∠ AOB = 120° and C is a point on the circle then ∠ ACB =

Option: 1
120°

Option: 2
50°

Option: 3
30°

Option: 4
60°

Answers (1)

best_answer

From the theorem

$\angle \mathrm{ACB}=\frac{1}{2} \angle \mathrm{AOB}=\frac{1}{2} \times 120^{\circ}=60^{\circ}$

Posted by

Ritika Harsh

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