Question

8. In each of the following figures, check
whether line is parallel to line m or not. explain step by step
​

Answer 1

Answer:

yes line is parallel to each other.

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Answer 2

Answer:

in a)

123+vertically opposite angle of 57 =180

so the interior angles=180

so lines are parallel

in b)

98+ vertically opposite angle of 72=170≠180

so lines are not parallel

hope you understand