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### 13 Cards in this Set

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 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 reigon 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.) Perpindicular At a 90 degree angle (something is perpindicular 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 of the other direction. Segment A portion of a line with 2 endpoints and, thus, finite length. Space The collection of all points.