congruent figures 全等图形
Congruent \Con"gru*ent\, a. [L. congruens, p. pr. of congruere:
cf. F. congruent.]
Possessing congruity; suitable; agreeing; corresponding.
The congruent and harmonious fitting of parts in a
sentence. --B. Jonson.
{Congruent figures} (Geom.), concurring figures.