Angle Proofs and Segment Proofs

Fill in the reason for 5. 

• Addition Postulate
• Substitution property
• Definition of midpoint
• Segment Addition Postulate

Tags

CCSS.HSG.SRT.B.4

Fill in the reason for number 3. 

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

Tags

CCSS.HSG.SRT.B.5

What is a line segment or ray drawn from a vertex that divides the angle into two congruent angles?

• Median of a Triangle

• Altitude of a Triangle

• Perpendicular Bisector of a side of a Triangle

• Angle Bisector

• Midpoint of a Line Segment

Tags

CCSS.HSG.CO.C.9

Which property is illustrated here?

a = a

• Reflexive Property of Equality

• Symmetric Property of Equality

• Transitive Property of Equality

• Substitution Property of Equality

Which property is illustrated here?

If a = b and b = c, then a = c

• Reflexive Property of Equality

• Symmetric Property of Equality

• Transitive Property of Equality

• Substitution Property of Equality

Tags

CCSS.7.EE.A.1

• Exterior angles

• Vertical angles

• A Linear Pair

• Corresponding angles

• Alternate Interior angles

Tags

CCSS.8.G.A.5

What kind of angles are $\angle1\ and\ \angle2$ ?

• Exterior angles

• Vertical angles

• A Linear Pair

• Corresponding angles

• Alternate Interior angles

Tags

CCSS.8.G.A.5

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