2/1/22 Warm Up

Which property is illustrated in the statement below?
m∠C ≅ m∠C

• Reflexive Property of Congruence
• Symmetric Property of Congruence
• Transitive Property of Congruence
• Definition of Congruence

Using the figure above, what is the reason for the following:
∠1 ≅ ∠3

• Vertical Angle Theorem
• Definition of Vertical Angles
• Congruent Angle Theorem
• Definition of Congruence

What is the reason for the above?

• Angle Addition Postulate
• Segment Addition Postulate
• Definition of Midpoint
• Transitive Property of Congruence

Using the figure above, what is the reason for the following:

m∠1 + m∠2 = 180

• Vertical Angle Theorem

• Definition of Supplementary Angles

• Congruent Angle Theorem

• Definition of Congruence

What is the reason for the statement below?
Given: m∠1 = 63
m∠1 + m∠2 = 90
Prove: 63 + m∠2 = 90

• Reflexive Property of Equality
• Symmetric Property of Equality
• Transitive Property of Equality
• Substitution Property of Equality