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In the given figure, QP || RS. Find the values of a and b. - Mathematics

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Question

In the given figure, QP || RS. Find the values of a and b.

Sum

Solution

Since, QP || RS and QR is a transversal.

∴ b = 70°  ......[Corresponding angles]

Now, QP || RS and PR is a transversal.

∴ a = 65°  ......[Alternate interior angles]

Hence, a = 65° and b = 70°.

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Chapter 5: Lines and Angles - Exercise [Page 147]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 5 Lines and Angles
Exercise | Q 103. | Page 147

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