Two coplanar (in the same plane) lines that don't meet are parallel.
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Two lines that are in the same plane and never intersect are called "Parallel," meaning that they are lines with the same slope, but not y-intersect.
They are parallel lines
parallel lines
Two lines that will never meet are parallel lines. Parallel lines are two lines that are always the same distance apart and will never intersect, no matter how far they are extended. This property is a fundamental concept in geometry and is defined by having the same slope but different y-intercepts.
Two lines that do not intersect on the same plane are Parallel lines.