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  1. Chapter 7 Class 7 Congruence of Triangles
  2. Serial order wise
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Example 6 - Chapter 7 Class 7 Congruence of Triangle - NCERT By applying ASA congruence rule, it is to be established that ∆ ABC ≅∆QRP and it is given that BC = RP. What additional information is needed to establish the congruence? Given, BC = RP And, ∆ABC ≅ ∆QRP (By ASA Congruence Rule) Since it is ASA Congruence rule, We need Angle Side Angle Here, side is BC. So, Angle on either side of it should be equal. Therefore, ∠B = ∠R ∠C = ∠P

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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.