Congruence is an important mathematical idea for humans to understand the structure of their environment. Congruence is embedded in young children's everyday experiences that allow them to develop intuitive senses of this geometric relationship.

Why is congruence important in real life?

When any object is kept in front of the mirror, that mirror image is congruent to the real image. When two objects or shapes are said to congruent then all corresponding angles and sides also congruent. Real life examples are, cigarettes in a packet are congruent to one another.

How important is the triangle congruence in construction?

It is very important because it helps the structures of establishments to be strong and firm, to have unified figures and sometimes to measure distances. They use this technique by using standard formulas such as different theorems and postulates to prove congruency of triangles.