If the circle above has center \(O\) and an area of \(36\pi,\) what is the perimeter of sector \(ABCO?\)

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If the circle above has center \(O\) and an area of \(36\pi,\) what is the perimeter of sector \(ABCO?\)

A. \(6\pi\)
B. \(9\pi\)
C. \(6 + 3\pi\)
D. \(9 + 3\pi\)
E. \(12 + 3\pi\)

Answer: E

Source: Princeton Review
Source: — Problem Solving |