Respuesta :
In the two triangles, all the three sides are congruent to the corresponding sides of the other triangle. And in such case, the criteria used for congruency is Side Side Side or SSS .
So the correct option is the first option .
Answer:
SSS
Step-by-step explanation:
Side a = side a
side b= side b
The third side is equal by the reflexive property
The triangles are congruent by side side side (SSS)