Finding angles Intersecting lines are lines that cross each other. Parallel lines are lines that never cross each other - they keep the same distance apart from each other.

This KS2 maths article explains how parallel lines are always the same distance apart and never meet. A perpendicular line is at right angles to another line.

A MIND-BOGGLING optical illusion that makes straight parallel lines appear slanted has left people scratching their heads. The picture was created by artist Victoria Skye and features vertical and … ...