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Geometry Shapes

Palatine H.S. Geometry - Points, Lines, and Planes

A position in space. It has no thickness. You can name it with a single upper case letter. point
It extends in two direction without end. It has no thickness. It needs at least two points to name. line
It extends in two dimensions. It is a flat surface that extends forever. It has no thickness. At least three points are needed to name this. plane
Points that lie on the same line. collinear points
Points that lie on the same plane. coplanar points
A part of a line with two endpoints. segment
A part of a line with one endpoint/intial point. ray
Two rays with the same initial point but together form a line. opposite rays
Two lines intersect at a... point
Two planes intersect at a... line
Created by: casbarian