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Pearson Geometry Common Core, 2011

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Pearson Geometry Common Core, 2011 View details

3. Measuring Segments

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Exercise 11 Page 24

The Ruler Postulate is used to find the distance between points on a segment.

6 units

Practice makes perfect

To find the length of CE, let's consider the given number line.

According to the Ruler Postulate, the distance between two points is the absolute value of the difference between their coordinates.

CE=|c-e|

c= 1, e= 7

CE=| 1- 7|

Subtract term

CE= |-6|

|-6|=6

CE=6

The length of CE is 6 units.

Subchapter links

Lesson Check p.23

Practice and Problem-Solving Exercises p.24-25

Standardized Test Prep p.26

Mixed Review p.26