Question
In the figures given below decide whether l is parallel to m.
Image

Answer

Since,$44^{\circ}+126^{\circ}=170^{\circ}$
But $170^{\circ} \neq 180^{\circ}$
i.e. the sum of the interior angles on the same side of the transversal is not $180^{\circ}$.
So, $I$ and $m$ are not parallel.

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