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  1. Chapter 7 Class 7 Congruence of Triangles
  2. Serial order wise
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Ex 7.1, 4 If ∆DEF ≅ ∆BCA, write the part(s) of ∆BCA that correspond to (i) ∠E (ii) (𝐸𝐹) ̅ (iii) ∠F (iv) (𝐷𝐹) ̅ ∆DEF ≅ ∆BCA Here, D ⟷ B E ⟷ C F ⟷ A So, diagram will be, Corresponding parts of > angle E is angle C > EF is CA > angle F is angle A > DF is BA

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.