Difference between revisions of "2011 AMC 10A Problems/Problem 20"

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−	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?

−	~~<math> \textbf{(A)}\ \frac{1}{6}\qquad\textbf{(B)}\ \frac{1}{5}\qquad\textbf{(C)}\ \frac{1}{4}\qquad\textbf{(D)}\ \frac{1}{3}\qquad\textbf{(E)}\ \frac{1}{2} </math>~~

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