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Which of the Following Pairs of Triangles Are Congruent? in Each Case, State the Condition of Congruency : in δ Abc and δ Def, Ab = De, Bc = Ef and ∠ B = ∠ E. - Mathematics

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Question

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.

Sum

Solution

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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Criteria for Congruence of Triangles
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Chapter 9: Triangles [Congruency in Triangles] - Exercise 9 (A) [Page 122]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 9 Triangles [Congruency in Triangles]
Exercise 9 (A) | Q 1.1 | Page 122
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