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Geometry Vocabulary
10 cards·by alyssa10
point
a fixed position in space. zero dimensional. It is infinitely small and named with a single,
capital letter.
Line/Straight Line
a collection of infinite points with two infinite sides
line segment
A part/piece of a line with two endpoints.
ray
A piece/part of a line with one endpoint and one infinite side
concurrent lines
3 or more lines that intersect/meet at a common point.
parallel lines
lines that are a fixed distance apart from each other. They will never meet/touch no matter how
far the lines extend.
intersecting lines
Lines that share/meet at a common point.
plane
a flat, two dimensional figure that goes infinitely in all directions and has no boundaries.
coplanar
3 or more points that are on the same plane.
collinear points
3 or more points that are on the same line (or line segment or ray)