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In the adjoining figure O is the centre ...

In the adjoining figure O is the centre of the circle with radius r’ AB, CD and EF are the diameters of the circle. ‘`angleOAF = angle‘OCB = 60^(@)` . What is the area of the shaded region?

A

`(r^(2))/(2)(pi-(3sqrt(3))/(2))`

B

`(r^(2))/(2)(pi-(3sqrt(3))/(4))`

C

`(r^(2))/(3)(pi-(2sqrt(3))/(3))`

D

Data insuffincient

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The correct Answer is:
A
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