The Fifth Fact
Source: 2016 AIME I #6
March 4, 2016
2016 AIME IAIMEgeometryFact 5power of a pointradical axis
Problem Statement
In let be the center of the inscribed circle, and let the bisector of intersect at . The line through and intersects the circumscribed circle of at the two points and . If and , then , where and are relatively prime positive integers. Find .