Vocabulary Flashcard -Basic Terms of Geometry

Front

A statement that is accepted as true without proof.

Back

postulate

Front

If points A, B, and C are collinear and B lies between A and C, then AC = AB + BC

Back

Segment Addition Postulate

Front

Which postulate states that every point on a line can be paired with a unique real number, called the coordinate of the point?

Back

Ruler Postulate

Front

terms whose meanings are accepted without formal definition.

Back

undefined

Front

Points that lie on the same line.

Back

collinear

Front

Points that do not lie on the same line.

Back

noncollinear

Front

Points that lie on the same plane

Back

coplanar

Front

Points that do not lie on the same plane

Back

noncoplanar

Front

Has no size; length, width, or height. It is represented by a dot and named by a capital letter.

Back

point

Front

A flat surface that has no thickness and extends forever in all directions

Back

plane