find OJ where J is symmetric of a right angle wrt I, related to R,r
Source: Sharygin 2010 Final 10.1
November 25, 2018
geometrycircumradiusinradiusMetric Relation
Problem Statement
Let be the circumcenter and the incenter of a right-angled triangle, be the radii of respective circles, be the reflection of the vertex of the right angle in . Find .