sentence: Numbers are equal, geometrical objects are congruent.
sentences_before: In geometry, the word congruence is often preferred.
sentences_after: Two shapes are congruent if one can be moved or rotated so that it fits exactly where the other one is. If you have to shrink or enlarge one of the two objects, they are not congruent.
concept_name: number
headings: Equality (mathematics)
categories: Mathematics Geometry