NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions
Question 148

Question. 148

In Fig. 6.50, which pairs of triangles are congruent by SAS congruence criterion? If congruent, write the congruence of the two triangles in symbolic form.

Answer:

(i) ΔPQR ≅ ΔTUS

(ii) Not congruent

(iii) ΔBCD ≅ ΔBAE

(iv) ΔSTU ≅ ΔXZY

(v) ΔDOF ≅ ΔHOC

(vi) Not congruent

(vii) ΔPSQ ≅ ΔRQS

(viii) ΔLMN ≅ ΔOMN

Detailed Answer with Explanation:

In each case, SAS criterion (two sides and included angle equal) is checked to establish congruence.

Open NCERT PDF
NCERT Exemplar Solutions Class 7 – Mathematics – Unit 6: Triangles – Problems and Solutions | Detailed Answers