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Geomatry Vocabulary


Acute Angle less than 90 degrees
Congruent Angles angles with the same measures.
Coplanar points and lines in the same plane are coplanar.
Midpoint a point that divides a segment into two congruent segments.
Perpendicular Lines perpendicularr lines intersect to form right angles.
Ray is a part of a line that consists of an initial point and all points on the line that lie on one side of the initial point.
Space the boundless 3-dimensional set of all points.
Angle two rays that are connected at their endpoints.
Congruent Segments 2 segments with the same length.
Obtuse Angles more than 90 degrees.
Plane is a flat surface that has no thickness. it extends in all directions.
Right Angle exacly 90 degrees
Angle Bisector ray that divides an angle into congruent (=)angles.
Conjecture a conclusin reached by inductive reasoning
Inductive Reasoning it reaches conclusion based on a pattern of specific examples or past events.
Opposite Rays start at the same point and go in opposite direction.
Point has no length, width or thickness, but has a position.
Segment is a part of a line consisting of two points.
Collinear Points points that lie on the same line are collinear points.
Coordinate two axis meets at the orgigin
Line has length, but no width or thickness. it extends without end in two directions.
Parallel Lines coplanar lines that do not intersect.
Postulate a statment accepted to be true without proof.
Skew Lines non coplanar lines, therefore they are not parallel and do not intersect.
Created by: Avrianna