If the lines are in the same plane and never intersect they are always parallel.
Two line can not intersect and be parallel if they are in different planes though. Take a cube for example, if you have one Sid of it and take the edge and then go to the opposite side and make a horizontal line they will never intersect but are also not parallel.
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Two coplanar lines that never intersect are called called parallel lines.
Parallel lines never intersect. This is a parallel line. _______________________________________________________ _______________________________________________________ True ;
Parallel lines NEVER touch, so zero.
Parallel lines are always the same distance from each other and never intersect.
They're either parallel lines or skew lines.