Building Blocks of Geometry

Math
• Study Guide
Terms

Terms

Terms Terms
• Colinear

Lying in one line (usually refers to a set of points).

• Congruent

Of exactly the same size and shape; in other words, of exactly the same dimensions.

• Coplanar

Existing in one plane (usually refers to points or lines).

• Dimension

The number of lines required to span a region in space.

• Line

A collection of points arrayed in a straight formation without limit.

• Noncolinear

Not lying in one line (usually refers to a set of points).

• Noncoplanar

Not existing in one plane (usually refers to points or lines).

• Perpendicular

At a 90 degree angle (something is perpendicular relative to something else).

• Plane

A flat, boundless surface in space.

• Point

A specific location in space.

• Ray

A portion of a line with a fixed endpoint on one end that extends without bound in the other direction.

• Segment

A portion of a line with two endpoints and, thus, finite length.

• Space

The collection of all points.