the best fucking geometry shortcut in existence. save like 5 fucking steps. it makes me feel so horny for triangles

by mathmakesmereallyhorny November 20, 2009

by Falconrath May 30, 2004

The drug of choice for geometry students. It means that congruent parts of congruent triangles are congruent, but CPCTC also sounds like it could be drug. So, use drugs in geometry class!

"CPCTC is good stuff."

by hashtag007 January 28, 2012