In geometry, the SSS postulate ("SSS " being short for"side, side, side") is a postulate stating that if two triangles have corresponding sides equal in length, then the two triangles are congruent.
In geometry, the SSS postulate ("SSS " being short for"side, side, side") is one of the several ways to prove two triangles congruent. If two triangles have corresponding sides equal in length, then the two triangles are congruent.