Definitions for "Congruent"
Possessing congruity; suitable; agreeing; corresponding.
geometric figures having the same size and shape; all matching or corresponding parts of congruent figures have the same measure
(4) Two figures that are identical—the same size and shape—are called congruent figures. If you put one on top of the other, they would match exactly. Congruent figures are also said to be congruent to each other.
Keywords:  modulo, modular, arithmetics
In modular arithmetics, a is congruent to b modulo c
Keywords:  equal, angles, described, measure
equal; equal angles are described to be this
equal measure
Keywords:  means, time
Really means it this time