ANSWER: SSS, SAS, ASA, AAS, or HL
EXPLANATION:
SAS: Three congruent sides on both triangles.
SAS: Two congruent sides and a congruent included angle on both triangles.
ASA: Two congruent angles and a congruent included side on both triangles.
AAS: Two congruent angles and a congruent side on both triangles.
HL: Two right triangles with one congruent leg and congruent hypotenuses.