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Line Segments


In this topic, we find the length of line segments drawn on a graph.

To solve each problem, simply count the number of units the line segment spans.
Be sure to pay attention to the numbers that label each unit.


Example 1: Horizontal line

Find the length of the line segment.
Length:
The line segment spans 3 units across (left to right) and each unit has a length of 1.
So, the line segment has a length of 3.
Length:


Example 2: Vertical line

Find the length of the line segment.
Length:
The line segment spans 8 units (top to bottom) and each unit has a length of 1.
So, the line segment has a length of 8.
Length:

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