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Given: angle 3 and angle 5 are supplementary Prove: Line l is parallel to line m

1 / 2

--------------------------/---------------------------- The transversal should be a diagonal

3/4

/

5 / 6

----------------------/------------------------------

7/8

Verified Answer :

fruitasticgabs

Since line l and line m are cut by the transversal and angle 3 and 5 are supplementary, that means they are consecutive interior angles which proves that the two lines are parallel.