The composition transformation that maps ΔABC to ΔA"B"C" is a combination of translations, rotations, reflections, or dilations.
The composition transformation that maps ΔABC to ΔA"B"C" is a combination of rigid transformations such as translations, rotations, and reflections.
The composition transformation that maps ΔABC to ΔA"B"C" involves a combination of translations, rotations, and/or reflections that move and/or reorient the original triangle onto its new position and orientation.