1983 USAMO Problems/Problem 1
Revision as of 18:50, 23 November 2011 by 5849206328x (talk | contribs) (moved Problem 1 to 1983 USAMO Problems/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.
