Point - A location in space that is represented by a dot and has no dimension. (exact location), Line - Has one dimension. It is represented by a line with two arrowheads, but it extends without end., Plane - A flat surface made up of points that has two dimensions and extends without end and is represented by a slanted four-sided figure, Collinear Points - are points that lie on the same line., Coplanar points - are points that lie in the same plane., line segment (segment) - consists of two endpoints and all the points between them., endpoints - Points that represent the ends of a line segment or ray, ray - extends forever in one direction, midpoint - The point that divides a segment into two congruent segments, segment bisector - A point, ray, line, line segment, or plane that intersects the segment at its midpoint, adjacent angle - two angles that share a common vertex and side, but have no common interior points., complementary angles - Two angles whose measures have a sum of 90°, vertical angle - two angles whose sides form two pairs of opposite rays., linear pair - Two adjacent angles whose noncommon sides are opposite rays, supplementary angles - Two angles whose measures have a sum of 180°, congruent - equal,

Unit 1: Foundations of Geometry Vocabulary

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