Supplementary and Complementary Intro

These angles are...

• Complementary

• Supplementary

• Neither

These angles are...

• Complementary

• Supplementary

• Neither

When two parallel lines are cut by a transversal, all pairs of angles created are either _________ or _________.

• Congruent, supplementary

• Congruent, complementary

• Supplementary, complementary

• Corresponding, vertical

• 10
• 17
• 80
• 90

Question:

• 16

• 143

• 17

• 129

Q1. What is the sum of 25 and 35?

• A) 25

• B) 35

• C) 45

• D) 55

Two angles are complementary. The first angle is twice the measure of the second angle. What is the measure of the larger angle?

What is the Value of x?

Mathematical Equivalence

ON

What is the REASON for Statement #1?

• Given

• Definition of Complementary Angles

• Substitution Property

• Reflexive Property of Congruence

Select the definition, property, postulate or theorem that justifies the statement.

If m<1 + m<2 = 180 and m<2 +m<3 = 180, then <1≅<3.

• Transitive Property

• Definition of ≅ Angles

• Supplementary of Same Angles

• Definition of Complementary Angles