Basic Geometry Terms

Front

An undefined term in Geometry. A specific location. It has no dimension and is represented by a dot.

Back

Point

Front

Points that lie on the same line

Back

Collinear Points

Front

Points or lines that are not in the same plane.

Back

Non-Coplanar

Front

Lines that are not coplanar and do not intersect.

Back

Skew Lines

Front

An undefined term in Geometry. A connected straight path. It has no thickness and it continues forever in both directions.

Back

Line

Front

Points or lines all in one plane.

Back

Coplanar

Front

The set of all points in three dimensions.

Back

Space

Front

The point that divides the segment into two segments that have the same length.

Back

Midpoint

Front

A portion of a line consisting of two points (endpoints) and all points between them.

Back

Line Segment

Front

Two segments that have the same length.

Back

Congruent Segments