Quiz Practice 3.1-3.2 Proofs

What is the reason for the statement below?

Given: m∠1 = 63 and 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

Tags

CCSS.4.MD.C.7

Name the 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

What is reason 1?

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

Tags

CCSS.HSA.REI.A.1

What is reason 2?

• Given
• Addition Property of Equality
• Subtraction Property of Equality
• Substitution Property of Equality

Tags

CCSS.HSA.REI.A.1

What is reason 3?

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

Tags

CCSS.HSA.REI.A.1

What is reason 5?

• Transitive Property
• Reflexive Property
• Symmetric Property
• Prove

Tags

CCSS.HSA.REI.A.1

Name the property. For any numbers a and b, if a = b, then b = a.

• Transitive Property

• Reflexive Property

• Symmetric Property

• Substitution Property

Tags

CCSS.7.EE.A.1

If ∠A and ∠B are complementary,
then m∠A + m∠B = 90°.

• Definition of Supplementary Angles
• Angle Addition Postulate
• Definition of Right Angle
• Definition of Complementary Angles

Tags

CCSS.7.G.B.5

If ∠CAT is a right angle, then m∠CAT = 90°.

• Definition of Right Angle
• Definition of Congruent Angles
• Angle Addition Postulate
• Segment Addition Postulate

Tags

CCSS.7.G.B.5

If AC ⟂ BD, then ∠DBC is a right angle.

• Definition of Perpendicular Lines
• Definition of Right Angle
• Angle Addition Postulate
• Segment Addition Postulate

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1