1-2 Linear Measure

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1-2 Linear Measure

• Textbook page 13

2
Review Measuring with a ruler

• Find the length of using each ruler.

cm
in
3
Measuring a Segment

• Segment Addition Postulate If C is between A
  and B, then AC CB AB.
• Example If AC x , CB 2x and AB 12, then,
  find x, AC and CB.

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More Examples

1. Find XY.
2. Find FG.

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Algebraic Examples

• 3. Find x and MN if N is between M and P, MP
  60, MN 6x - 7, and NP 2x 3.

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Congruent Segments
Definition
Segments with equal lengths. (congruent symbol
)
Congruent segments can be marked with dashes.
Also, if the measurements are the same for two
segments, then the segments are congruent.
Correct notation
Incorrect notation