Difference between revisions of "2010 IMO Problems/Problem 2"
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Revision as of 11:08, 20 July 2010
Problem
Given a triangle , with as its incenter and as its circumcircle, intersects again at . Let be a point on arc , and a point on the segment , such that . If is the midpoint of , prove that the intersection of lines and lies on .
Authors: Tai Wai Ming and Wang Chongli, Hong Kong