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प्रश्न
If the following pair of the triangle is congruent? state the condition of congruency :
In Δ ABC and Δ DEF, AB = DE, BC = EF and ∠ B = ∠ E.
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उत्तर
In Δ ABC and Δ DEF,
AB = DE ...[ Given ]
∠B = ∠E ...[ Given ]
BC = EF ...[ Given ]
By Side - Angle - Side criterion of congruency, the triangles
Δ ABC and Δ DEF are congruent to each other.
∴ Δ ABC ≅ Δ DEF
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