AMC 10 Step by Step
2014 AMC 10BProblem 19P16-20~4 minPrint

Two concentric circles have radii 11 and 22 . Two points on the outer circle are chosen independently and uniformly at random. What is the probability that the chord joining the two points intersects the inner circle?

Log in to save your progress.

Similar problems

Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.