PLS HELP!!

The corresponding sides of triangles ABC and DEF are congruent. Which statements are always true for triangles ABC and DEF? Select all that apply.

A.) There is a sequence of rigid motions that carries ABC to triangle DEF.
B.) triangles ABC and DEF are congruent by side-side-side.
C.) triangles ABC and DEF are both equilateral triangle‘s by side-side-side.