If a series of rigid transformations maps ∠F onto ∠C where ∠F is congruent to ∠C, then which of the following statements is true? triangles ABC and FDE, in which angles A and D are right angles ΔABC ~ ΔDEF because of the definition of similarity in terms of similarity transformations segment BC ~ segment DE because of the AA similarity postulate ΔABC ~ ΔDEF because of the AA similarity postulate segment BC ~ segment DE because of the definition of similarity in terms of similarity transformations