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Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
In the figure above, inscribed triangle A B C is equilateral. If the radius of the circle is r, then the length of arc AXB is
(A) (2πr)/3
(B) (4πr)/3
(C) (3πr)/2
(D) (πr^2)/3
(E) (2πr^2)/3
