Click the figure below to see the complete problem 295 about Archimedean Twin Circles, Arbelos, Semicircles, Harmonic Mean, Radii, Perpendicular, Diameter.
![Problem 295: Archimedean Twin Circles.](http://www.gogeometry.com/problem/p295_archimedes_twin_17.jpg)
See also:
Complete Problem 295
Collection of Geometry Problems
Level: High School, SAT Prep, College geometry