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

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: the picture
Prove: m<APC=m<DPB

• Corresponding Angle Posulate
• Vertical Angle Theorem
• Definition of Congruent Angles
• Linear Pair Theorem

Tags

CCSS.7.G.B.5

Given: AM is congruent to MB
Prove: M is the midpoint of segment AB

• Definition of Midpoint
• Definition of Segment Bisector
• Definition of Congruent Segments
• Segment Addition Posulate

Tags

CCSS.HSG.SRT.B.4