Proofs Review

Supply the second reason.

• Linear Pair Postulate

• Alternate Interior Angles Theorem

• Vertical Angles Theorem

• Corresponding Angles Postulate

Tags

CCSS.HSG.CO.C.9

Fill in the reason for number 5. 

• Definition of congruent angles

• Angle Addition Postulate

• Substitution Property

• Transitive Property

Tags

CCSS.7.G.B.5

Which is the correct reason for statements 2 and 4 in the proof?

• Corresponding Angles

• Substitution

• Definition of Congruent Angles

• Vertical Angles are congruent.

Tags

CCSS.7.G.B.5

Which property justifies the next step?

• Definition of linear pair

• Definition of supplementary angles

• Congruent supplements thm

• Linear pair postulate

Tags

CCSS.7.G.B.5

What is the reason?

• Transitive 

• Substitution

• Middle Man

• Replacing 

Tags

CCSS.HSA.REI.C.5

What is the REASON for Statement #2?

• Given

• Definition of Complementary Angles

• Substitution Property

• Reflexive Property of Congruence

Tags

CCSS.7.G.B.5

4) What is the reason for Statement 3

• Corresponding Angles Postulate

• Angles that form a Linear Pair that sums 180°

• Same-side Interior Angles Theorem

• Vertical Angles Theorem

Tags

CCSS.8.G.A.5

9) What is the Given for Statement 1?

• 
• 
• 
• 

Tags

CCSS.8.G.A.5

Given: m<A=m<B and m<B=m<C
Prove: m<A=m<C

• Reflexive Property of Equality

• Symmetric Property of Equality

• Transitive Property of Equality 

• Substitution

Tags

CCSS.HSG.SRT.B.5

Given: AB=AB
Prove: AB=AB

• Reflexive Property of Equality

• Symmetric Property of Equality

• Transitive Property of Equality

• Substitution

Tags

CCSS.HSG.SRT.B.5