Two triangles are shown to be congruent by identifying a combination of translations, rotations, or reflections that move one figure onto the other. If ΔBAT ≅ ΔMAN, which line segment must be congruent to TB? Why?
A) AT because the triangles are isosceles.
B) NM because the triangles are isosceles.
C) AT because corresponding parts of congruent triangles are congruent.
D) NM because corresponding parts of congruent triangles are congruent.