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14 terms

Plane

a flat surface that extends forever

Point

a definite location in space

Line

a straight set of points that go on forever in both directions. (infinitely)

Line Segment

part of a line with two definite endpoints

Ray

a straight set of points with one definite endpoint and going on infinitely in one direction.

Midpoint

a point which divides a line segment into two congruent segments

Congruent

having equal measure

Congruent Segments

segments with the same measurements

Segment Bisector

line, segment or ray that cuts a line segment through its' midpoint into two congruent segments.

Perpendicular Lines

lines that intersect to form right angles

Parallel Lines

lines in the same plane that never intersect

Intersecting Lines

lines that cross

Skew Lines

lines that are not parallel or intersecting

Transversal

line that crosses two or more parallel lines