In ∆ABC and∆DEF, if ∠A -∠D, ∠B = ∠E and AB = EF

CBSE Class 9 CBSE Class 9 Maths
1

In ∆ABC and∆DEF, if ∠A -∠D, ∠B = ∠E and AB = EF, then are the two triangles congruent? If yes, by which congruency criterion?

2

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No, criterion of congruence of triangles ( AAS, ASA, RHS ) is not applicable on ∆ABC and ∆DEF.
Hence, ∆ABC and ∆DEF are not congruent.