In the figure, O is the centre of circle and ∠AOC = 1600. Find value of 3∠y – 2∠
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140
150
100
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125
In the figure O is the centre of the circle, if ∠ AOC = 108∘. Find the ration of ∠AOC∠ABC
In the given figure O is the centre of circle. If ∠OAB = 30o and ∠OCB = 40o, then measure of ∠AOC is :