Postulates & Theorems - chapter 2 Flashcards
LINEAR PAIR THEOREM: If 2 angles form a linear pair, then they are ….
supplementary. (theo. 2-6-1)
CONGRUENT SUPPLEMENTS THEOREM: If 2 angles are supplementary to the same angle (or to congruent angles), then ….
the two angles are congruent. (theo. 2-6-2)
RIGHT ANGLE CONGRUENCE THEOREM: All right angles are ….
congruent. (theo. 2-6-3)
CONGRUENT COMPLEMENTS THEOREM: If 2 angles are complementary to the same angle (or to congruent angles), then ….
the two angles are congruent. (theo. 2-6-4)
COMMON SEGMENTS THEOREM: Given collinear points A, B, C, and D, arranged in order, if segment AB is congruent to segment CD, then ….
segment AC is congruent to segment BD. (theo. 2-7-1)
VERTICAL ANGLES THEOREM: Vertical angles are ….
congruent. (theo. 2-7-2)
If 2 congruent angles are supplementary, then each angle is ….
a right angle. (theo. 2-7-3)