G.1 Beginning Proofs A

What is the REASON for Statement #1?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

What is the REASON for Statement #2?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

What is the REASON for Statement #3?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

What is the REASON for Statement #4?

• Substitution Property
• Distributive Property
• Transitive Property
• Combine Like Terms

What is the REASON for Statement #5?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

What is the REASON for Statement #6?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

What is the reason?

• Transitive 
• Substitution
• Middle Man
• Replacing 

What is the reason?

• Angle Addition 
• Segment Addition
• Definition of Congruence
• Definition of Between

Which justifies the next step?

• Segment addition postulate
• Definition of an angle bisector
• Angle addition postulate
• Definition of right angles

What is the reason?

• Definition of complementary

• Definition of supplementary