9.1 ­ Geometry
Objective: Identify lines,
rays, and segments.
Mr. Williams
GESD
jwilliams@gesd40.org
Image: 'looking up'
www.flickr.com/photos/53611153@N00/255775613
1

A Line extends
without end in
two opposite
directions.
A B
Image: 'La Cheminée'
www.flickr.com/photos/49462908@N00/1419405808
2

A Ray has one endpoint and
extends without end in one
direction.
B
A
Image: 'Let There Be Light'
www.flickr.com/photos/57621379@N00/1031330705
3

A Segment has two
endpoints.
A B
4

Your Turn Now:
With your group answer
pg. 423 problems 11 ­ 15.
Image: 'Chairs'
www.flickr.com/photos/89898604@N00/6550520
5

Parallel Lines
Two lines that never meet.
Image: 'after the storm'
www.flickr.com/photos/21599153@N00/101203054
6

Intersecting Lines
Lines that meet at a point.
Image: 'tension'
www.flickr.com/photos/26506346@N00/228228171
7

Your Turn Now:
With your group answer
pg. 423 problems 6 ­ 7.
Image: 'Chairs'
www.flickr.com/photos/89898604@N00/6550520
8