Videos:
(11:29) Congruent Triangles
(13:28) Other triangle congruence postulates
(7:28) Congruent Triangles
-(7:24) Why SSA is not a postulate
(5:46) Proof I
-(12:41) Proof II
(1:58) Basic Proof I
-(2:53) Basic Proof II
(8:15) Problem involving angle derived from square and circle
Worksheet: 12-Congruent Triangles
