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# Mizer Geometry

### test 9/12/13

TermDefinition
Point Represented by a dot, has no dimension.
Plane Two dimensions, any three points make a____. i.e.a floor or wall that extends forever.
Angle Bisector A ray that divides an angle into two congruent angles.
Supplementary Angles Two angles with a sum of 180 degrees.
Complimentary Angles Two angles with a sum of 90 degrees.
Opposite Rays 2 rays that extend in opposite directions.
Vertical Angles "Kissing fish." Angles that are across from each other are congruent.
Line One dimension, extends forever in both directions. Any two points make a ____.
Angle Two different rays (sides) with the same endpoint (vertex).
Collinear Points Points that lie on the same line.
Coplanar Points Points that lie on the same plane.
Acute Angle An angle that is less than 90 degrees.
Right Angle An angle that is 90 degrees.
Obtuse Angle An angle that is greater than 90 degrees and less than 180 degrees.
Straight Angle An angle that is 180 degrees.
Ray Extends forever in one direction.
Line Segment Contains two endpoints and all points in between. Represented by endpoints.
Midpoint Divides a line segment into two congruent line segments.
Linear Pair Two adjacent angles that make 180 degrees (sides are opposite rays).
Congruent Equal
Segment Bisector A point, ray, line, line segment, or plane that intersects the segment at its midpoint.
Adjacent Angles Two angles that share a common vertex and side, but have no common interior points.
Created by: dingotiger