MathDB
2007 Guts #28: Cyclic Hexagon

Source:

June 22, 2012
geometrycircumcircle

Problem Statement

Compute the circumradius of cyclic hexagon ABCDEFABCDEF, which has side lengths AB=BC=2AB=BC=2, CD=DE=9CD=DE=9, and EF=FA=12EF=FA=12.