geometry 1.5 - 1.6 Flashcards
The rays that form an angle are called the ___.
sides of the angle
The region that contains all the points between the sides of the angle is the ____.
Interior of the angle.
The region that contains all the points outside the angle is the ____.
exterior of the angle.
The ____ is the absolute value of the difference between the real numbers matched with the 2 rays that form the angle on a protractor.
measure of the angle
An ___ measures greater than 0 and less than 90.
Acute angle
An ____ measures 90.
RIght angle
An ___ measures greater than 90 but less than 180.
Obtuse angle
A _____ measures 180.
Straight angle
Two angles are ____ when they have the same measures.
Congruent angles
An ____ is a ray that divides an angle into 2 angles that are congruent.
angle bisector
____ are two positive angles whose measures have a sum of 90.
Complementary angles
____ are 2 positive angles whose measures have a sum of 180.
Supplementary angles
____ are 2 angles that share a common vertex and side, but have no common interior points.
Adjacent angles
Two adjacent angles are a ____ when their no common sides are opposite rays. They are also supplementary.
Linear Pair.
Two angles are ____ when their sides form 2 pairs of opposite rays.
Vertical angles
