Well, this will depend on the length of the sides of the triangle for what postulate or theorem you will be using.
The first thing you prove about congruent triangles are triangles that have same side lines (SSS) is congruent. (some people DEFINE congruent that way). You just need to show AAS is equivalent or implies SSS and you are done. That's the first theorem I thought of, don't know if it works though, not a geometry major.
SAS
Two congruent triangles.. To prove it, use the SSS Postulate.
No. SSA can give rise to a pair of non-congruent triangles.
There is nothing true about the AAA theorem and the SSS postulate because the AAA postulate is not true!
There is no AAA theorem since it is not true. SSS is, in fact a theorem, not a postulate. It states that if the three sides of one triangle are equal in magnitude to the corresponding three sides of another triangle, then the two triangles are congruent.
SAS postulate or SSS postulate.
SSS
Asa /sss
SAS
sss
true
The correct answer is the AAS theorem
SSS Similarity, SSS Similarity Theorem, SSS Similarity Postulate
i got AAS for apex on this question...
When a postulate has been proven it becomes a theorem.