Right Angle Congruence
Theorem
1) are right angles
2)
Congruent Supplements
Theorem
1) and are supplementary
and are supplementary
2)
Congruent Complements
Theorem
1) and are complementary
and are complementary
2)
Linear Pair Postulate
1) and form a linear pair
2)
OR
1) and form a linear pair
2) and are supplementary
