NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice QuestionsQuestion 27
Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice Questions
Question. 27
In Fig. 5.23, if QP ∥ SR, the value of a is
(a)
(a) 40°
(b)
(b) 30°
(c)
(c) 90°
(d)
(d) 80°
Detailed Answer with Explanation:
Angles 60+30=90, so a=90°.