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Sahay Sir > Question Answers > NCERT Class 7 > Maths > Chapter 7 - Congruence of Triangles > 4.In ΔABC, ∠A = 30∘,∠B = 40∘ and ∠C = 110∘. In ΔPQR, ∠P = 30∘,∠Q = 40∘ and ∠R = 110∘. A student says that ΔABC ≅ΔPQR by AAA congruence criterion. Is he justified? Why or why not?

4.In ΔABC, ∠A = 30∘,∠B = 40∘ and ∠C = 110∘. In ΔPQR, ∠P = 30∘,∠Q = 40∘ and ∠R = 110∘. A student says that ΔABC ≅ΔPQR by AAA congruence criterion. Is he justified? Why or why not?

∠A = 30∘ ∠B = 40∘ and ∠C = 110∘. In ΔPQR ∠P = 30∘ ∠Q = 40∘ and ∠R = 110∘. A student says that ΔABC ≅ΔPQR by AAA congruence criterion. Is he justified? Why or why not? 4.In ΔABC