1.6: Measuring Angles Flashcards
1
Q
Angle
A
two rays with the same endpoint
2
Q
acute angle
A
angle less than 90 degrees
3
Q
right angle
A
angle exactly 90 degrees
4
Q
obtuse angle
A
angle less than 180 degrees but more than 90 degrees
5
Q
straight angle
A
angle exactly 180 degrees
6
Q
congruent angles
A
angles with the same measure
7
Q
vertical angles
A
two angles whose sides are opposite rays
8
Q
adjacent angles
A
two coplanar angles with a common side, a common vertex, and no common interior points
9
Q
complementary angles
A
two angles whose measures have sum 90
10
Q
supplementary angles
A
two angles whose measures have sum 180
