O is the centre of the circle and AB is a chord of the circle. if angle AOB = 70°, find angle ACB.
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the answer of this question is 70 degree
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↑ Here is your answer ↓
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According to 9th std. theorem, ∠AOB = 2∠ACB
∠AOB = 70°
=> ∠ACB = 70/2
= 35°
_____________________________________________________________
_____________________________________________________________
According to 9th std. theorem, ∠AOB = 2∠ACB
∠AOB = 70°
=> ∠ACB = 70/2
= 35°
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