Congruent triangles are triangles with equal corresponding sides.
The triangles are congruent
From the question (see attachment), we have the following observations.
- Two corresponding sides are marked with I
- Two corresponding sides are marked with II
- Two corresponding sides are marked with III
The above highlights mean that:
The corresponding sides are congruent by SSS theorem
Hence, your classmate's claim is incorrect.
Read more about congruence of triangles at:
https://brainly.com/question/20517835
