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.

Question

Camryn Doyle

Mathematics

8 February, 14:49

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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Toby Johns · Answer 1

Parallel lines are lines that are always the same distance apart.

The Exterior Angle is the angle between any side of a shape (in our case the line), and a line extended from the next side.

For parallel lines the following statement holds:

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