4.2 Triangle Congruence by SSS and SASChapter 4Congruent Triangles

4.2 Triangle Congruence by SSS and SASPostulate 4-1 Side-Side-Side (SSS)If the three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent.Postulate 4-2 Side-Angle-Side (SAS)If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent

Using SSS and SASRS = TK. What other information do you need to prove ΔRSK = ΔTKS?KRSTSSS:SAS:

Using SSS and SASWhat other information do you need to prove ΔABC = ΔCDA?

SSS:SAS:

Proving Triangles CongruentGiven:FG ll KL, FG = KLProve:ΔFGK = ΔKLFLFGK

Proving Triangles CongruentGiven: AE and BD bisect each other.Prove: ΔACB = ΔECDABCDE

HomeworkPg 189 1-27, 33, 41 - 44