Identifying Properties of Equality and Congruence

Identify the property used here:
39=39

• Reflexive

• Symmetric

• Transitive

• Substitution

Identify the property used here:
If 31 = 2x - 5, then 2x - 5 = 31

• Reflexive

• Symmetric

• Transitive

• Substitution

The Symmetric Property says that if AB = BC, then _________

• AB = BC

• BC = AB

• BC = CD

• A = B

If m+a=27 and a=4

then m+4=27

• REFLEXIVE PROPERTY

• TRANSITIVE PRPERTY

• SUBSITUTION PROPERTY

• SYMMETRIC PROPERTY

• Multiplication Property of Equality (MPE)

• Division Property of Equality (DPE)

• Addition Property of Equality (APE)

• Subtraction Property of Equality (SPE)

• SUBSTITUTION PROPERTY

• REFLEXIVE PROPERTY

• TRANSITIVE PROPERTY

• SYMMETRIC PROPERTY

What can be assumed? 
C is the midpoint of segment AB

• AB = BC

• AC=CB

• Nothing

• BA=CA

If 3x = 15, then x = 5

• Subtraction Property of Equality

• Addition Property of Equality

• Division Property of Equality

• Multiplication Property of Equality

x = x

• Transitive Property of Equality

• Symmetric Property of Equality

• Reflexive Property of Equality

• Division Property of Equality

If AB = CD and CD = EF, then AB = EF

• Symmetric Property of Equality

• Reflexive Property of Equality

• Transitive Property of Equality

• CLT or Simplify