1-3 Segments, Rays, Parallel Lines, Planes

# 1-3 Segments, Rays, Parallel Lines, Planes - rays always...

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Segments, Rays, Parallel Lines & Planes Section 1-3

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segment – a part of a line that consists of 2 points, called endpoints, and all the points between them A C AC AC refers to the segment AC refers to the length of AC
ray – the part of a line consisting of one endpoint and all the points of the line on one side of the endpoint. It extends indefinitely in one direction. A B AB

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AB A Opposite rays – two collinear rays with the same endpoint. Opposite

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Unformatted text preview: rays always form a line. & are opposite rays B C BA BC • 2 lines that do not intersect are either parallel or skew . • Parallel lines ( lines) do not intersect and are coplanar. • Skew lines do not intersect and are not coplanar. • Parallel planes ( planes) do not intersect. • Plane X is parallel to plane Y • A line and a plane are parallel if they do not intersect. X Y H G D E A B C F EF plane Y...
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## This note was uploaded on 12/01/2011 for the course MATH 105 taught by Professor Towns during the Fall '10 term at BYU.

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1-3 Segments, Rays, Parallel Lines, Planes - rays always...

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