Segments, Rays, Parallell Lines and Planes

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Aim: How do we identify segments and rays?

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Presentation transcript:

Segments, Rays, Parallell Lines and Planes 1-3

Definitions Segment- a segment is a part of a line which contains two endpoints and all of the points between. Ray- A ray is a part of a line consisting of only one endpoint, and extending infinitely in the opposite direction.

Definitions Opposite rays- Two collinear rays with the same endpoint. Opposite rays always form a line. Parallel lines- two coplanar lines that do not intersect.

Definitions Skew lines- non coplanar lines which do not intersect. Parallel planes- planes that never intersect

Find a pair of parallel lines Skew Lines: Parallel planes: Where does plane ABD and plane EHD intersect?

Name the line in three ways: Find three segments: Find three rays: Name the line in three ways: Name a pair of opposite rays:

Homework Pg 19 #5-7, 14-31, 55