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Angle Vocabulary

Angle A figure formed by two rays that have the same endpoint
Vertex a meeting point of two rays that form an angle
Acute angle an angle whose measure is greater than 0 degrees but less than 90 degrees
Obtuse angle an angle whose measure is greater than 90 degrees but less than 180 degrees
Right angle an angle whose measure is equal to 90 degrees
Straight angle an angle that has a measure of 180 degrees
Adjacent angle two angles in a plane that share a common vertex and a common side, but that no common interior points
Congruent angles angles that have the same measure
Angle bisector divides an angle into two congruent angles
Vertical angles the opposite angles formed when two lines intersect; congruent
Complementary angles two angles whose measures have the sum of 90 degrees
Supplementary Angles two angles whose measures have the sum of 180 degrees
Linear pair two adjacent angles whose non-common sides are opposite rays; form a straight line
Created by: msstephens212
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