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# ZingPath: Points and Lines

## Length and Congruency of Line Segments    Searching for

## Points and Lines

Learn in a way your textbook can't show you.
Explore the full path to learning Points and Lines

Geometry

### Learning Made Easy

You will learn about similarity and congruence and how they relate to proportion.

### Now You Know

After completing this tutorial, you will be able to complete the following:

• Find the length of a line segment.
• Know that two line segments are congruent if and only if their lengths are equal.

### Everything You'll Have Covered

What is the length of a line segment?

~ The length of a line segment is the distance between its endpoints. Which pairs of line segments from problem 2 are congruent?

~ Two line segments are congruent if and only if their lengths are equal. In problem 2, we found the length of each line segment. We notice that only segments LK and NL have the same length (3 units). Thus, NL and LK are congruent line segments and no other pairs of line segments are congruent. ### Tutorial Details

 Approximate Time 2 Minutes Pre-requisite Concepts Students should be able to define congruent line segments, equal line segments, and length of a line segment. Course Geometry Type of Tutorial Animation Key Vocabulary absolute value, congruent line segments, distance between points