Sas Asa Aas Congruence Sss Math. Asa or angle side side. Hence δ abc δ def.
Hl or hypotenuse leg for right triangles only. Proving the sas triangle congruence criterion using transformations. Testing to see if triangles are congruent involves three postulates abbreviated sas asa and sss.
Asa or angle side side.
If two sides and the included angle of one triangle are equal to two sides and included angle of another triangle then the triangles are congruent. Aas or angle angle side. If two sides and the included angle of one triangle are equal to two sides and included angle of another triangle then the triangles are congruent. Hl or hypotenuse leg for right triangles only.