What additional piece of information is needed to show that ABC ≅ XYZ by AAS? There are two triangles, triangle ABC and triangle XYZ. Side BC is congruent to side YZ and angle ABC is congruent to angle XYZ. A. ∠A≅∠X B. AB¯¯¯¯¯¯¯¯≅XY¯¯¯¯¯¯¯¯ C. ∠C≅∠Z D. AC¯¯¯¯¯¯¯¯≅XZ¯¯¯¯¯¯¯¯