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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(pi - (3 sqrt3)/2)`

B

`r^2(pi - (3 sqrt3/4)`

C

`r^2(pi - (2 sqrt3/3)`

D

data insufficient

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The correct Answer is:
A
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