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Question
In the following figure, QP || RS. Find the values of a and b.
Sum
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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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