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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 ABC 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) πr²/3
(E) 2πr²/3
