Parallel Lines and Transversals

Parallel Lines and Transversals

Introduction

Parallel lines are lines that never cross, no matter how far they extend. A transversal is a line that crosses two or more lines. You can see parallel lines and transversals in roads, railroad tracks, window fra...

Mathew sits at his desk, observing two blue lines drawn on his paper.

He notices that they never meet and stay the same distance apart, so they are parallel lines.

As he studies them, he places a ruler across the paper so it crosses both the lines.

The straight edge of the ruler now represents a transversal,...