1.

In the figure, find the value of x for which the lines l and m are parallel.

Answer» In the given figure,l`|"|` m and we know that, it a transveral intersects two parallel lines, then sum of interior angles on the same side of a transversal is supplementary .
`:. " " x + 44^(@) = 180^(@)`
`rArr " " x = 180^(@)- 44^(@)`
`rArr " " x = 136^(@)`


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