1.6 measuring angles Flashcards
1
Q
Angle
A
an angle is formed by two rays with the same endpoint
2
Q
acute angle
A
greater than 0 and less than 90 degrees
3
Q
right angle
A
exactly 90 degrees
4
Q
obsolete angle
A
greater than 90 degrees and less than 180 degrees
5
Q
Straight angle
A
exactly 180 degrees
6
Q
congruent angles
A
angles with the same measurements
7
Q
vertical angles
A
two angles whose sides are opposite rays
8
Q
adjacent angles
A
two coplainer angles
9
Q
complementary angles
A
two angles whose measurements add up to be 90 degrees
10
Q
supplementary angles
A
two angles whose measured add up to be 180 degrees
