Latin word “congruere”, which means “correspond with” and “in harmony”, is the origin of the term congruent. This worksheet collection on congruent triangles is for 8th graders and high school students. It covers key concepts such as congruent parts and congruent triangular triangles, congruence statement and identifying the postulates. This set of printable PDF worksheets requires knowledge of triangle congruence postsulates (SSS, SAS and ASA), AAS, HL and AAS. These worksheets are available for free!