Geometry Angle Terms
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Midpoint
A line segment is the point halfway between the endpoint of a segment.
Ray
-A part of a line
-Only has 1 endpoint
-Extends indefinitely in one direction.
Opposite Rays
Two rays going in opposite directions.
Angles
-Formed by 2 noncollinear rays
-2 rays = sides
Congruent Angles
-Angles that have the same measure.
-Arcs on the figures indicate which are congruent.
Bisector
A ray that divides an angle into 2 congruent angles.
Adjacent Angle
2 angles that lie in the same plane, have a common vertex, and a common side but does not share any interior points.
Verticle Angles
2 angles that are not adjecent and are formend when 2 lines intersect (cross).
Linear Pair
A pair of adjacent angles whose nocommon sides are opposite
*A linear pair will always sum up to 180°.
Complementary
Any 2 angles
Supplementary Angles
2 angles whose measure adds up to 180°.
Perpendicular Angle
Lines that intersect to form right angles.
Card Set Information
Author:
jbz345
ID:
98741
Filename:
Geometry Angle Terms
Updated:
2011-08-28 20:14:52
Tags:
Geometry angle terms
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