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In figure, PQ || SR and SP || RQ. Then, angles a and b are respectively. - Mathematics

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Question

In the given figure, PQ || SR and SP || RQ. Then, angles a and b are respectively.

Options

  • 20°, 50°

  • 50°, 20°

  • 30°, 50°

  • 45°, 35°

MCQ

Solution

20°, 50°

Explanation:

Since, PQ || SR and RP is a transversal

∴ a = 20°  ......[Alternate interior angles]

Now, SP || RQ and PR is a transversal.

∴ b = 50° ......[Alternate interior angles]

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Chapter 5: Lines and Angles - Exercise [Page 131]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 5 Lines and Angles
Exercise | Q 19. | Page 131
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