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Question
In the given figure below, decide whether l is parallel to m.
Sum
Solution
Consider two lines, l and m, and a transversal line n which is intersecting them.
Sum of the interior angles on the same side of transversal = 126° + 44° = 170°
As the sum of interior angles on the same side of transversal is not 180°.
Therefore, l is not parallel to m.
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