kasperpeulen/euclidthegame — pull request #2 by trevorgunn (2014-06-18 20:23:55+00:00)
Title: Added definitions

Definitions for bisect, tangent, incircle, circumcircle and clarification on "outer tangent" for level 20. Describing what a tangent line is without the language of calculus is difficult so perhaps visual clarification is needed.