Which Pair of Triangles Can Be Proven Congruent By SAS?   Answer: The first pair of triangles can be proven congruent by SAS. Step-by-step explanation: According to the SAS postulate, two sides and the included angle of a triangle are congruent if they are equal to two sides and the included angle of another triangle. The included angle of one triangle is equal to two sides and the included angle of another triangle in the initial pair of triangles. Hence the two triangles are said to be congruent by the SAS postulate. Th... More