Elearn Geometry Problem 200: Right Triangle, Incircle, Excircles
See complete Problem 200 at:
www.gogeometry.com/problem/p200_right_triangle_tangent.htm
Right Triangle, Incircle, Excircles, Points of Tangency, Inradius. Level: High School, SAT Prep, College geometry
Post your solutions or ideas in the comments.