Exercise 18B
Question 1
1. Line $l$ is a transversal to lines $n$ and $m$. Name the following.
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(i) A pair of interior angles on the same side of the transversal.
(ii) A pair of exterior angles on the same side of the transversal.
(iii) Two pairs of alternate interior angles.
(iv) Four pairs of corresponding angles.
2. In the given figure, write the name of
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(i) alternate interior angles.
(ii) corresponding angles.
(iii) vertical angles.
(iv) co-interior angles with respect to both the transversals $P Q$ and $P R$.
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