One line is coloured blue, one line is coloured orange, and one line is coloured purple., The three lines in this image are intersecting. They intersect at a common point.

One side cannot gain except by making the other side cross its line. Parallel lines do not intersect, as we know from geometry. And where are we most likely to find parallel lines in the modern world?

Points, line segments, lines, rays and more.. and a fun game to play at home ...

Learn about the types of angles that are formed by intersecting and parallel lines with this BBC Bitesize Maths article. For students between the ages of 11 and 14.