Class 9 Maths MCQ – Criteria for Congruence of Triangles

This set of Class 9 Maths Chapter 7 Multiple Choice Questions & Answers (MCQs) focuses on “Criteria for Congruence of Triangles”.

1. From the given diagram below, what can be said about two triangles ABC and PQR?

a) Triangles ABC and PQR are not congruent
b) Triangles ABC and PQR are congruent
c) AB = QR
d) ∠A = ∠R
View Answer

Answer: b
Explanation: We can see that AB = PQ, ∠A = ∠P and BC = QR (All these things are given in the diagram).
Therefore, according to SAS (Side-Angle-Side) congruent rule, triangles ABC and PQR are congruent.

2. From the given diagram below, we can say that triangles ABC and PQR are congruent.

a) True
b) False
View Answer

Answer: a
Explanation: It is given in the diagram that ∠B = ∠Q, BC = QR and ∠C = ∠R.
Hence, according to ASA (Angle-Side-Angle) rule, two triangles ABC and PQR are congruent.

Sanfoundry Global Education & Learning Series – Mathematics – Class 9.


To practice all chapters and topics of class 9 Mathematics, here is complete set of 1000+ Multiple Choice Questions and Answers.

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