1-3 Segments, Rays, Parallel Lines and Planes

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Presentation transcript:

1-3 Segments, Rays, Parallel Lines and Planes

Segment AC ____________________ consists of points A and C and all points that are between A and C. A C A and C are called the _____________ of segment AC. endpoints

Ray AC Name the endpoint first. __________________ consists of the initial point A and all the points on line AC that lie on the same side of A as point C. A C Name the endpoint first.

Ex 6. Write 3 times when the hands of the clock are opposite rays. 3:45 12:30 9:15 6:00

______ _____ are coplanar lines that do not intersect. Parallel lines ______ _____ are coplanar lines that do not intersect. l l // n n

Skew lines ____ _____ are noncoplanar lines. Since they are in different planes, there is no way for them to intersect. k j and k are skew lines. j

Parallel planes parallel X // Y X ________ _____ are planes that do not intersect. A line and a plane are ________ if they do not intersect. Y parallel t t // W W

Name a plane parallel to plane FGCB. H G E X F D C Y A B Name a plane parallel to plane FGCB. Name a line parallel to plane ABCD. Name a line skew to . Name 3 segments parallel to . EHDA