2.6 Deductive Reasoning Flashcards
1
Q
Linear Pair
A
When two adjacent angles’ noncommon sides are opposite rays
2
Q
Complementary Angles
A
When the sum of two angles’ measures is 90 degrees.
3
Q
Supplementary Angles
A
When the sum of two angles’ measures is 180 degrees.
4
Q
Linear Pair Postulate
A
If two angles form a linear pair, then they are supplementary.
5
Q
Thm 2.1: Congruent Supplements Theorem
A
If two angles are supplementary to the same angle or to congruent angles, then they are congruent.
6
Q
Thm 2.2: Congruent Complements Theorem
A
If two angles are complementary to the same angle or to congruent angles, then they are congruent.
7
Q
Thm 2.3: Vertical Angles Theorem
A
If two angles are vertical angles, then they are congruent.
8
Q
Vertical Angles
A
When two angles’ sides form two pairs of opposite rays
