Even though the Congruency of triangles is easy to learn, it can be tricky to learn the criteria. There are four criteria:
Side-Side-Side (SSS) criterion
Side-Angle-Side (SAS) criterion
Angle-Side-Angle (ASA) criterion
Right-Angle Hypoteneuse criterion
Practice the quiz given below and you will be a master in this:
Watch the video to get even more clarity: