Answer:
1st picture:
1st case: two triangles are similar (AAA), not congruent
2nd case: two triangles are congruent (SAS)
2nd picture:
both cases satisfy: two triangles are congruent (ASA)
3rd picture:
1st case: two triangles are congruent (SAS)
2nd case: neither congruent or similar
Hope this helps!
:)