Lines, Line Segments, And Rays Worksheet - Lesson 10-4 Page 2
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1
2
3
4You can describe lines, rays, and line segments by the way they
meet or cross each other.
Types of Lines
Words
Parallel lines are always the same distance apart.
They do not meet.
Model
A
line AB is parallel to line CD
B
AB || CD
C
D
Words
Lines that meet or cross each other are
called intersecting lines.
Model
C
line AB intersects line CD
B
AB intersects CD
D
A
Words
Lines that meet or cross each other to form right
angles are called perpendicular lines.
Model
line AB is perpendicular to
C
line CD
A
B
AB ⊥ CD
D
EXAMPLE
Describe Lines
3
Describe the figure.
C
The figure shows ray AB and line
A
B
segment CD. Notice that ray AB
D
intersects line segment CD.
AB intersects
CD .
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Lesson 10-4 Lines, Line Segments, and Rays 395
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