Inthe adjoining figure, if O is the centre of the circle, find the value of x.
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Answer
We know that the angle subtended at the centre of the circle by an arc is twice the angle subtended by the same arc at any point on the circumference of the circle.
∠AOB is the angle at the center and ∠ACB is the angle at the circumference.
∴∠ACB=
2
1
∠AOB=
2
1
(104
o
)=52
o
Step-by-step explanation:
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