Vocabulary Words 3
Week of: 9/2 to 9/6, 2013
Math Classes
Quiz on Friday, 9/6/13
These words will be discussed in class on Monday. Please study these words during the week as your
homework. On Friday, there will be a quiz over them. (11 words)
Acute angle- a angle between 0 and 90 degrees.
Right angle- a angle that is 90 degrees.
Obtuse angle- a angle that is between 90 and 180 degrees.
Straight angle- a angle that is 180 degrees.
Congruent angles- angles that have the same measure.
Adjacent angles- two coplanar angles with a common side, a common vertex, and no common interior
points.
Vertical angles- two angles whose sides are opposite rays.
Complimentary angles- two angles whose measures have a sum of 90 degrees.
Supplementary angles- two angles whose measures have a sum of 180 degrees.
Linear pair- a pair of adjacent angles whose noncommon sides are opposite rays.
Angle bisector- a ray that divides an angle into two congruent angles.