If the radius of the circle above is \(3\) and point \(O\) is the center of the circle, what is the area of triangle

[M7MBA]

If the radius of the circle above is \(3\) and point \(O\) is the center of the circle, what is the area of triangle \(ABC?\)

A. \(4\sqrt3\)

B. \(6\sqrt2\)

C. \(6\sqrt3\)

D. \(12\sqrt2\)

E. \(18\sqrt3\)

Answer: C

Source: Manhattan GMAT