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Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice QuestionsQuestion 19
Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice Questions
Question. 19
In Fig. 5.17, PQ ∥ SR and SP ∥ RQ. Then, angles a and b are respectively

(a)
(a) 20°, 50°
(b)
(b) 50°, 20°
(c)
(c) 30°, 50°
(d)
(d) 45°, 35°
Detailed Answer with Explanation:
By alternate interior angles, a=20°, b=50°.