Answer:
7. Three angles are congruent but it is not enough to determine congruence, sides can still be different
- Not enough info
8. Hypotenuse and one leg are congruent
- HL
9. Angles N and L are congruent, also angles K are vertical, so congruent, in addition one non-included side is congruent
- AAS
10. S is midpoint of DT, so DS≅ST, also RS≅SB, the angle in between is also congruent as vertical
- SAS