Difference between revisions of "2012 USAMO Problems/Problem 5"
(Created page with "== Problem == Let <math>P</math> be a point in the plane of triangle <math>ABC</math>, and <math>\gamma</math> a line passing through <math>P</math>. Let <math>A'</math>, <math...") |
(No difference)
|
Revision as of 17:54, 25 April 2012
Problem
Let be a point in the plane of triangle , and a line passing through . Let , , be the points where the reflections of lines , , with respect to intersect lines , , , respectively. Prove that , , are collinear.