1.4 Segments, Rays, Parallel Lines and Planes “I have always grown from my problems and challenges.” -Carol Burnett 1.4 Segments, Rays, Parallel Lines.

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1.4 Segments, Rays, Parallel Lines and Planes “I have always grown from my problems and challenges.” -Carol Burnett 1.4 Segments, Rays, Parallel Lines and Planes

Terms A segment is the part of a line consisting of two endpoints and the points between them. AB A ray is one endpoint and all of the points on one side of the endpoint. Opposite rays are two collinear rays with the same endpoint. Opposite rays always form a line.

Naming Name the segments and rays. A B B C Three segments: Four rays:

2) Are EG and GE the same line? 3) Are EG and GE the same ray? 1) Another way to name EF. More Practice

True or False

Terms Parallel lines are coplanar lines that do not intersect. Skew lines are noncoplanar; (these lines do not intersect)

Terms Parallel planes are planes that do not intersect. *Note: A line and a plane that do not intersect with each other are also parallel. Examples: 1) Identify two parallel planes. A B C D J G H I 2) Identify a plane and a line that are parallel.

Linear Equations Review Solve the following equations.

1.4 Segments, Rays, Parallel Lines and Planes HW:p.25 #4-15, EVEN, p.30 #1-19 ODD (linear equations review) THT: Can do 1-7, 9-10 Terms: segment, ray, opposite rays, parallel lines, skew lines, parallel planes