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1.5 Measuring Segments 2010
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1.5 Measuring Segments
Objective: Find the lengths of segments.
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Check Skills You'll NeedSimplify each absolute value expression.1) |6|
2) |3.5| Solve each equation.
3) |710| 6) x + 2x 6 = 6
4) |4 2|
5) |2 (4)| 7) 3x + 9 + 5x = 81
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Congruent Segments: Segments that have the same length.
A B C D3 cm 3 cm
Example:
Written as: AB ≅ CD
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Example: Find the lengths of the following segments. Tell whether the segments are congruent.
AD and BE
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X Y Z
Describe Segment Relationships
Step 1: Name all of the segments in the following figure.
Step 2: Describe the relationships between the different segments.
Step 3: What relationship always applies to a figure like this?(Even if point Y was placed somewhere else between X and Z.)
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Example:
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Midpoint (of a segment): The point that divides the segment into two congruent segments.
Example: B is the midpoint of AC.
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Example:
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Homework:page 33
(2 18 even, 30 36 even)