Intro to Proofs

If AB=BC and BC=CE, then AB=CE

• Transitive property

• Multiplication of equality

• Reflective property of equality

• Distributive property of equality

Tags

CCSS.HSG.SRT.B.5

What is the REASON for Statement #1?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

Tags

CCSS.7.G.B.5

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 the relationship between <EAD and <DAC?

• They are a linear pair.

• They are complementary.

• They are supplementary.

• They are adjacent.

Tags

CCSS.7.G.B.5

Complete the statement using the Transitive Property:

If JK=FG and FG=NM then ____

• JK=NM

• FG=FG

• JK+FG=NM+FG

• JK-FG=NM-FG

Tags

CCSS.HSA.REI.A.1

Complete the statement using the Reflexive Property:

∠CDF = _________

• ∠CDF

• 90°

• ∠DCF

• 180º

What is the REASON for Statement #1?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence

Tags

CCSS.7.G.B.5

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

Tags

CCSS.7.G.B.5

Find the m∠3

• 56
• 124
• 180
• 66

Tags

CCSS.7.G.B.5

A straight line equals...

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1