What are Parallel lines and Transversals? https://www.youtube.com/watch?v=6RMN5Pf1fHU Parallel lines: Two lines l and m are said to be parallel if (i) they lie in the same plane (ii) they do not intersect when produced indefinitely in either direction and we write l || m (which is read as 'l is parallel to m') l || m also implies that m || l. The distance between two … [Read more...] about What are Parallel lines and Transversals?