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Mathematics, 21.10.2020 01:01 Jadalamanna

Horizontal lines e and f are intersected by lines a and b. At the intersection of lines a and e, the uppercase left angle is 75 degrees. At the intersection of lines b and e, the uppercase right angle is 115 degrees. At the intersection of lines a and f, the bottom right angle is 75 degrees. Which lines are parallel? Justify your answer.

Lines a and b are parallel because their alternate exterior angles are congruent.

Lines a and b are parallel because their same side exterior angles are supplementary.

Lines e and f are parallel because their alternate exterior angles are congruent.

Lines e and f are parallel because their same side exterior angles are congruent.

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