4.3D Proofs + More

A rule that is accepted without proof

• postulate
• theorem
• proof
• conditional statement

A point that bisects a segment into two congruent segments

• midpoint
• ray
• skew lines
• angle

Tags

CCSS.7.G.B.5

A statement proved true using postulates, or other theorems known to be true

• theorem
• angle
• transversal
• Euclidean Geometry

Tags

CCSS.8.G.A.5

If AB=50, which definition would explain why AM=25?

• Definition of Congruent

• Definition of Midpoint

• Definition of Segment

Tags

CCSS.HSG.GPE.B.6

Given: B is the midpoint of AC. What should you conclude?

• AB + BC = AC

• AB = BC

• A is the segment bisector of BC

• ABC is a straight angle

Tags

CCSS.HSG.CO.C.10

What is the justification?

• Definition of congruence

• Reflexive Property of Congruence

• Segment Addition Postulate

• Definition of Midpoint

Tags

CCSS.8.G.A.2

Which property is being used above?

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

Tags

CCSS.HSA.REI.A.1

Fill in the missing blanks for each proof:

a

b

c

e

Addition Prop

Multiplication Prop

Distributive Prop

Subtraction Prop

Combine Like Terms

Division Prop

Tags

CCSS.HSA.REI.A.1

Label the missing parts of the proof:

a

b

c

Multiplication Prop

Prove

Subtraction Prop

Addition Prop

Simplify

Division Prop

Combine Like Terms

Given

Tags

CCSS.HSA.REI.A.1

Fill in the missing reasons for the proof:

a

b

c

d

e

Multiplication Prop

Subtraction Prop

Transitive 

Addition Prop

Given

Proof

Division Prop

Symmetry