Difference between revisions of "2011 AMC 10A Problems/Problem 20"
(Created page with 'Two points on the circumference of a circle of radius r are selected independently and at random. Frome each point a chord lf length r is drawn in a clockwise direction. What is …') |
(No difference)
|
Revision as of 19:45, 10 February 2011
Two points on the circumference of a circle of radius r are selected independently and at random. Frome each point a chord lf length r is drawn in a clockwise direction. What is the probability that the two chords intersect?