Problem

Problem

△ABC\triangle ABC is right-angled at CC and △DEF\triangle DEF is right-angled at FF. If AB=DEAB = DE and AC=DFAC = DF, which congruence criterion justifies △ABC≅△DEF\triangle ABC \cong \triangle DEF? a) SSS\text{SSS} b) RHS\text{RHS} c) SAS\text{SAS} d) ASA\text{ASA}

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