Geometric Proof Practice

If M is the midpoint of AB, then AM = MB. Which of the following "reasons" fits for the statement?

• Addition POE

• Def. of Midpoint

• Reflexive POE

• Symmetric

Tags

CCSS.HSG.CO.C.10

If A = B, then 8A = 8B Which of the following "reasons" fits for the statement?

• Multiplication POE

• Division POE

• Reflexive POE

• Addition POE

If <1 and <2 are complementary, then m<1 + m<2 = 90

• Addition POE
• Subtraction POE
• Def of right angle
• Def of Complementary Angles

Tags

CCSS.7.G.B.5

If X = Y, then X + 5 = Y + 5

• Addition POE
• Subtraction POE
• Reflexive POE
• Transitive POE

Tags

CCSS.HSA.REI.A.1

What is the justification?

• Symmetric Prop.
• Angle addition postulate
• Reflexive Prop
• Transitive Prop.

Tags

CCSS.HSG.CO.B.7

What is the missing statement in the proof?

• 2m∠ABD=m∠ABD+m∠ABD
• m∠ABD=m∠DBC
• m∠ABC=m∠ABC
• m∠ABD+m∠ABD=m∠ABD+m∠DBC

Tags

CCSS.HSG.CO.C.9

What is the reason?

• Transitive 
• Substitution
• Middle Man
• Replacing 

What is the reason?

• Definition of Complementary
• Definition of 180 
• Definition of supplementary
• Angle Addition

Tags

CCSS.7.G.B.5

What is the reason?

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

Tags

CCSS.4.MD.C.7

What is the REASON for Statement #1?

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

Tags

CCSS.7.G.B.5