Properties, Postulates, Definitions, and Theorems

A point that divides a segment into two congruent segments.

• Vertex

• Endpoint

• Angle bisector

• Midpoint

Tags

CCSS.HSG.GPE.B.6

What is the reason for step #2?

• Definition of right angle

• Definition of supplementary angles

• Definition of perpendicular lines

• Definition of straight angle

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the reason for step #2?

• Definition of linear pair

• Definition of supplementary angles

• Angle Addition Postulate

• Addition property

Tags

CCSS.7.G.B.5

What is the reason for step #2?

• Definition of angle bisector

• Definition of congruent angles

• Definition of perpendicular angles

• Angle Addition Postulate

Tags

CCSS.HSG.CO.C.9

What is the reason for step #2?

• Definition of congruent segments

• Definition of congruent angles

• Definition of straight angle

• Definition of midpoint

Tags

CCSS.HSG.CO.C.10

What is the reason for step #2?

• Definition of angle bisector

• Definition of congruent angles

• Definition of right angle

• Definition of perpendicular lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the reason for step #2?

• Substitution property

• Vertical Angle Theorem

• Definition of angle bisector

Tags

CCSS.7.G.B.5

What is the reason for step #2?

• Definition of supplementary angles

• Definition of straight angle

• Angle Addition Postulate

• Addition property

Tags

CCSS.7.G.B.5

What is the reason for step #1?

• Definition of straight angle

• Addition property

• Angle Addition Postulate

• Segment Addition Postulate

Which property, definition, or postulate justifies the statement?

• Angle Addition Postulate

• Definition of an Angle Bisector

• Definition of Congruence

• Complement Theorem

Tags

CCSS.8.G.A.5