NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice Questions

Question 37

Question.  37

In Fig. 5.30, line l intersects two parallel lines PQ and RS. Then, which one is not true?

(a)

(a) ∠1 = ∠3

(b)

(b) ∠2 = ∠4

(c)

(c) ∠6 = ∠7

(d)

(d) ∠4 = ∠8

Detailed Answer with Explanation:

By alternate interior/corresponding angle rules, (a),(b),(c) hold. ∠4=∠8 is not necessarily true.