NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions

Question 150

Question. 150

In Fig. 6.51, PQ = PS and ∠1 = ∠2.

(i) Is ΔPQR ≅ ΔPSR? Give reasons.

(ii) Is QR = SR? Give reasons.

Answer:

(i) Yes, by SAS

(ii) Yes, by CPCT

Detailed Answer with Explanation:

SAS criterion proves congruence. By CPCT (Corresponding Parts of Congruent Triangles), QR = SR.