Chapter 2.6 Flashcards
(7 cards)
1
Q
Linear pair
A
Two adjacent angles are linear pair if there noncommon sides are opposite rays
2
Q
Complementary angles
A
Two angles are complementary if the sum of their measures is 90°
3
Q
Supplementary angles
A
Two angles are supplementary if the sum of their measures is 180°
4
Q
Linear pair postulate
A
If two angles form a linear pair then they are supplementary
5
Q
Congruent supplements theorem
A
If two angles are supplementary to the same angle or to congruent angles, they are congruent
6
Q
Vertical angles theorem
A
If two angles are vertical angles, then they are congruent
7
Q
Vertical angles
A
Two angles are vertical angles if their sides form two pairs of opposite rays
