Mathematics

Mathematics

Problem

In △ABC\triangle ABC and △DEF\triangle DEF, it is given that ∠A=90∘,  ∠D=90∘,  BC=EF\angle A=90^\circ,\;\angle D=90^\circ,\;BC=EF and AC=DFAC=DF. By which criterion can the two triangles be proved congruent? a) SASSAS b) SSSSSS c) RHSRHS d) SSASSA

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