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Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice QuestionsQuestion 17
Class 7 - Mathematics - Unit 5: Lines And Angles - Multiple Choice Questions
Question. 17
In Fig. 5.16, PA ∥ BC ∥ DT and AB ∥ DC. Then, the values of a and b are respectively
(a)
(a) 60°, 120°
(b)
(b) 50°, 130°
(c)
(c) 70°, 110°
(d)
(d) 80°, 100°
Detailed Answer with Explanation:
Using parallel line alternate and corresponding angles, a=50°, b=130°.