What is a transversal?

A transversal is a line that intersects two or more other lines in a plane. When a transversal intersects two parallel lines, it creates corresponding angles, alternate interior angles, alternate exterior angles, consecutive interior angles, and vertical angles. These angle relationships can be used to prove various properties of parallel lines and angles in geometric proofs. Transversals are commonly used in geometry to study properties of angles and lines in various geometric figures.