# Lines, Line Segments, And Rays Worksheet - Lesson 10-4

Lines, Line Segments,
10-4
and Rays
Farmers often plant
crops like corn in rows.
The rows resemble
MAIN IDEA
line segments.
I will identify, describe,
and classify lines, line
segments, and rays.
New Vocabulary
line
Lines, Rays, Segments
ray
endpoint
Words
Model
line segment
A line is a straight set of points
A
B
parallel
that extend in opposite directions
intersecting
line AB or AB
without ending.
perpendicular
Words
endpoint
Model
A ray is a part of a line that has
A
B
one endpoint and extends
ray AB or AB
in one direction without ending.
Model
endpoint
Words
A line segment is a part of a
A
B
line between two endpoints.
AB

EXAMPLES
Identify Lines, Rays, or Line Segments
Identify each figure.
X
A
B
1
2
Y
The figure extends in
This figure has one
opposite directions without
endpoint and extends
ending. Line XY or XY .
in one direction without
ending. Ray AB or AB .
394 Chapter 10 Geometry
Extra Examples at
Corbis

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