Which explains whether δfgh is congruent to δfjh?

Given two triangles, one can explain if they are congruent using the following postulates;
side-side-side (SSS) this is used when the corresponding sides of a triangle are similar
Side-angle-side (SAS) is used when the 2 corresponding sides are equal and at least one of the angles;
Angle-side-angle (ASA) is used when to corresponding angles and at least one side are equal