GRE Question of the Day (August 3rd)

In the figure above, circle O is inscribed in equilateral triangle ABC. If the area of ABC is 24 [square_root]3[/square_root][/m], what is the area of circle O?

A. \({2 \pi [square_root]3[/square_root]}\)

B. \({4 \pi}\)

C. \({4 \pi [square_root]3[/square_root]}\)

D. \({8 \pi}\)

E. \({12 \pi}\)

Correct Answer - D - (click and drag your mouse to see the answer)