Question

name one postulate or therom used to proves triangle congruent

Explanation:

There are several postulates and theorems for triangle congruence. One common one is the Side - Angle - Side (SAS) postulate. If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

Answer:

Side - Angle - Side (SAS) postulate.