Geometric Proof

What is the justification?

• Symmetric Prop.
• Angle addition postulate
• Reflexive Prop
• Transitive Prop.

Tags

CCSS.8.G.A.2

What is the justification that the measure of angle DAE plus the measure of angle EAF = 90 degrees?

• definition of supplementary angles
• definition of complementary angles
• Vertical Angles Theorem
• definition of bisect

Tags

CCSS.7.G.B.5

What is the justification?

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

Tags

CCSS.HSA.REI.A.1

What is the justification?

• reflexive property
• definition of bisect
• definition of a midpoint
• substitution property

Tags

CCSS.HSG.CO.C.10

What is the justification?

• Reflexive Prop.
• Symmetric Prop.
• Transitive Prop.
• Substitution

Tags

CCSS.HSG.SRT.B.5

An angle formed by opposite rays that measures 180 degrees   

• right angle
• straight ange
• acute angle
• obtuse angle

Tags

CCSS.4.G.A.1

The nonadjacent angles formed by two intersecting lines.

• Linear Pair
• Supplementary Angles
• Vertical Angles
• Adjacent Angles

Tags

CCSS.7.G.B.5

When starting a proof you always start with:

• Given information
• What it wants you to prove
• Equal Angles
• Linear Angles

Tags

CCSS.8.G.A.5

What is the reason for the above?

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

Tags

CCSS.HSA.REI.A.1

CCSS.HSG.CO.C.9