In which case does the transformation of △QRS △ Q R S result in an image △DEF △ D E F where ∠Q≅∠D,∠R≅∠E,∠S≅∠F ∠ Q ≅ ∠ D , ∠ R ≅ ∠ E , ∠ S ≅ ∠ F , and QRDE=QSDF=RSEF≠