Geometry Basics

Front

POINT

Back

A location in space with no dimensions, represented by a dot.

Front

LINE

Back

A straight one-dimensional figure having no thickness and extending infinitely in both directions.

Front

LINE SEGMENT

Back

A part of a line that is bounded by two distinct end points.

Front

RAY

Back

A part of a line that starts at a point and extends infinitely in one direction.

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PLANE

Back

A flat, two-dimensional surface that extends infinitely far.

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COLLINEAR

Back

Points that lie on the same line.

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COPLANAR

Back

Points that lie on the same plane.

Front

CONGRUENT SEGMENTS

Back

Line segments that are equal in length.

Front

SEGMENT ADDITION POSTULATE

Back

If a point B is between points A and C, then AB + BC = AC.

Front

DISTANCE FORMULA

Back

A formula used to determine the distance between two points in a plane.