Which theorem shows that △ABC ≅ △DEF?There
are two triangles, triangle ABC and triangle DEF. Side AB is congruent
to side DE, side AC is congruent to side DF, side BC is congruent to
side EF.


A. The triangles are not congruent.

B. SAS Triangle Congruence Theorem

C. Isosceles Triangle Theorem

D. SSS Triangle Congruence Theorem