# Parallel and perpendicular line segments

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### Introduction

### Examples

#### Lessons

- Are line segments AB and BC parallel or perpendicular?

- Below is a line segment, AB.
- Identify the parallel and perpendicular streets in the diagram below.

**Parallel or not parallel**

Are these line segments parallel? Answer YES or NO.**Perpendicular or not perpendicular**

Are these lines perpendicular? Answer YES or NO.