2793脑筋急转弯中等derivationmedium
Expected Chord Length on the Unit Circle
题目
Two points are chosen independently and uniformly on the unit circle. What is the expected length of the chord connecting them?
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提交作答时记录，用于后续平均用时统计。
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题目
Two points are chosen independently and uniformly on the unit circle. What is the expected length of the chord connecting them?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案