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