Final answer:
The information provided is not sufficient to prove SSS congruence between triangles ghi and rst.
Step-by-step explanation:
The information provided is not sufficient to prove that triangles ghi and rst are congruent through SSS (Side-Side-Side) congruence.
In order to prove SSS congruence, all three pairs of corresponding sides must be equal in length. While we know that g=r, h=s, and gi=rt, we do not have information about the remaining sides of the triangles. Without this additional information, we cannot determine if the triangles are congruent.
Therefore, the correct answer is option 4: Not enough information provided.