Properties of Equality

If a = b, then a may be replaced by b in any expression.

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

For any numbers a, b, and c, if a = b and b = c, then a = c.

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

For any number a, a = a.

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

For any numbers a and b, if a = b, then b = a.

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

Name the property described:
∠B≅∠B

• Reflexive
• Symmetric
• Transitive
• Addition

Name the property described:
If PQ = RS then RS = PQ

• Reflexive
• Symmetric
• Transitive
• Addition

Name the property described:
If ∠A≅∠B and ∠B≅∠C, then ∠A≅∠C

• Reflexive
• Symmetric
• Transitive
• Addition

Name the property described:
m∠1=m∠1

• Reflexive
• Symmetric
• Transitive
• Addition

Name the property.
<A≅<A

• Transitive Property of Congruence
• Symmetric Property of Equality
• Reflexive Property of Congruence
• Symmetric Property of Congruence

Name the property described
If CD = 4, then CD + 12 = 4 + 12

• Addition
• Subtraction
• Substitution
• Division