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1983 USAMO

Revision as of 18:59, 13 November 2011 by Sjaelee (talk | contribs) (Created page with "==Problem 1== If six points are chosen sequentially at random on the circumference of a circle, what is the probability that the triangle formed by the first three is disjoint f...")
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Problem 1

If six points are chosen sequentially at random on the circumference of a circle, what is the probability that the triangle formed by the first three is disjoint from that formed by the second three?
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