Two triangles are shown to be congruent by identifying a combination of translations, rotations, or reflections that move one figure
onto the other. if aacb adfe, which line segment must be congruent to fd? why?

a) ca because corresponding parts of congruent triangles are congruent.
b) bc because corresponding parts of congruent triangles are congruent.
c) ba because the triangles are similar and these sides must be congruent.
d) cb because the triangles are similar and these sides must be congruent.