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If points A and B are randomly placed on the circumference of a circle with radius 2, what is the probability that the length of chord AB is greater than 2?
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A.\frac{1}{4}
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B.\frac{1}{3}
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C.\frac{1}{2}
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D.\frac{2}{3}
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E.\frac{3}{4}
D显示答案
