Geometric Proofs Practice

Given: ∠1 and ∠3 are vertical angles. What should you conclude by the vertical angles theorem?

• undefined and undefined are right angles.

Tags

CCSS.HSG.CO.C.9

Since segment BD is part of both triangles, it is congruent to itself, what do we call this?

• Substitution

• Commutative

• Reflexive

• CPCTC

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

Step 2 is what

• Substitution property (simplify)
• Multiplication property of equality
• Division property of equality
• Distributive Property

Tags

CCSS.HSA.REI.A.1

What is always the 1st statement in reason column of a proof?

• Prove
• Given
• Reason
• Statement

Identify the property used here:
39=39

• Reflexive
• Symmetric
• Transitive
• Substitution

What is step 4

• Substitution property (simplify)
• Addition property of equality
• Subtraction property of equality

Tags

CCSS.HSA.REI.A.1

What is reason 2?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Identify the property of equality.
If 9=x, then x=9

• Reflexive
• Symmetric
• Transitive
• Substitution

What is reason 1?

• Subtraction Property of Equality
• Transitive Property of Equality
• Given
• Prove

Tags

CCSS.HSA.REI.A.1

What is the correct reason for

Reason #2?

• Definition of a Straight Angle

• Prove

• Definition of a Supplementary Angles

• Transitive Property