Mathematics
In the given figure, O is the centre of the circle and ∠AOB = 150°. Then, ∠ACB = ?
75°
105°
85°
115°

Circles
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Answer
We know that,
The angle which an arc subtends at the center is double that which it subtends at any point on the remaining part of the circumference.
∴ ∠ACB = Reflex∠AOB
= = 105°.
Hence, option 2 is the correct option.
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