proofs

If <M = <L then <L = <M

• Transitive POE
• Substitution POE
• Symmetric POE
• Reflexive POE

AB = AB

• Reflexive POE
• Transitive POE
• Symmetric POE
• Distributive POE

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

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

If l = a and a = k and k = e then l = e

• Addition POE
• Symmetric POE
• Reflexive POE
• Transitive POE

Tags

CCSS.HSG.SRT.B.5

If M is the midpoint of AB, then AM = MB

• Addition POE
• Def. of Midpoint 
• Reflexive POE
• Symmetric

Tags

CCSS.HSG.CO.C.10

If A = B, then 8A = 8B

• 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

Fill in the reason for 5. 

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

Tags

CCSS.HSG.SRT.B.4

Fill in the statement for number 4. 

• RA=RE +AE
• EL = EA + AL
• RE +EA= EA +AL
• RA = EL

Tags

CCSS.HSG.SRT.B.5

Fill in the reason for number 3. 

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

Tags

CCSS.HSG.SRT.B.5