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What is ass or ssa congruence postulate?
The ASS postulate would be that:if an angle and two sides of one triangle are congruent to the corresponding angle and two sides of a second triangle, then the two triangles are congruent.The SSA postulate would be similar.Neither is true.
What are three ways that you can prove that triangles are congruent?
If triangles have the corresponding sides congruent then they are congruent. SSS If two triangles have two sides and an included angle congruent then they are congruent. SAS If two triangles have two angles and an included side congruent then they are congruent. ASA SSA doesn't work.
Ssa sas sss which of these mean congruent?
SAS and SSS are congruent. SSA need not be.
Why AA and SSA are no valid methods to prove triangles congruent?
Because you need information about all three parts of the triangle, either the side or the angle opposite it, for each of the sides of a triangle. In AA you are missing the third angle, you could have a triangle where both angles were the same but the height could be different giving you a taller or shorter triangle. In SSA, the angle would be the one opposite the first side, so you have no information about the third side
Why can't ssa prove triangles congruent?
because neither side congruency nor angle congruency can be proved... to put it simply, this is because there would be too many variables with too little information if you set it up in an equation OR the fact that nothing is sandwiched between 2 parts like a side is not put between a side and an angle or vice versa, etc. In geometry class, we call this the "donkey theorem" (hence the acronym Angle Side Side)
