Math: Parallel and Perpendicular Lines
![A woman standing in front of a blackboard pointing.](https://wpsu.psu.edu/wp-content/uploads/2022/12/parallel-perpendicular-susanna-post.jpeg)
Susanna Post explains a strategy for remembering the difference between parallel and perpendicular lines. In addition, she demonstrates the meanings of parallel and perpendicular lines by showing real world examples. A practice page with examples and vocabulary is included as a resource.