Proofs

What is the reason?

• Definition of congrucent
• Definition of midpoint
• Definition of segment
• Segment Addition 

What is the reason?

• Transitive 
• Substitution
• Middle Man
• Replacing 

What is the reason?

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

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Equality
• Symmetric Property of Equality
• Symmetric Property of Congruence
• Reflexive Property of Congruence

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Congruence
• Symmetric Property of Congruence
• Distributive Property
• Transitive Property of Congruence

Complete the statement with the transitive property: If a=b and b=c then...

• a=c

• b=a

• c=b

• a=d

Complete the statement with the symmetric property: If a=b then...

• b=a

• a=a

• a=c

• b=b

Fill in the reason for 5. 

• Addition Postulate
• Substitution property
• Definition of midpoint
• Segment Addition Postulate

Fill in the reason for number 3. 

• Reflexive property
• Symmetric Property
• Transitive property
• Substitution property

What is the justification (reason)?

• reflexive property
• definition of segment bisect
• definition of a midpoint
• substitution property