If ∆ABC and ∆PQR are to be congruent, name one additional pair of corresponding parts. What criterion did you use?

∆ABC and ∆PQR are congruent. Then one additional pair is BC = QR.
Given: ∠B = ∠Q = 90
∠C = ∠R
BC – QR
Therefore, ∆ABC ≅ ∆PQR [By ASA congruence rule]

Class 7 Maths Chapter 7 Exercise 7.2

for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-7/