Segment Proofs Vocab

If L is the midpoint of TJ, what must be true?

• TL=JT

• JL=TJ

• TL=LJ

• T is also the midpoint of JL

What is the justification (reason)?

• reflexive property

• definition of segment bisect

• definition of a midpoint

• substitution property

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

If O is between FX, then FO + OX = FX.

• Segment Addition Postulate

• Angle Addition Postulate

• Definition of Congruent Segments

• Vertical Angles Theorem

Which of the following choices are in the correct order to fill in the proof?

• Given; Segment Addition Postulate; Substitution; Definition of midpoint; Addition; Simplify

• Given; Definition of midpoint; Addition; Simplify; Segment Addition Postulate; Substitution

• Given; Substitution; Addition, Simplify; Definition of midpoint; Segment Addition Postulate

What is the reason for the above?

• Angle Addition Postulate

• Segment Addition Postulate

• Definition of Midpoint

• Transitive Property of Congruence

What property makes this true?

• Reflexive Property

• Symmetric Property

• Transitive Property

• Segment Addition Postulate

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Congruence

• Symmetric Property of Congruence

• Distributive Property

• Transitive Property of Congruence

What is the justification?

• Transitive Property of Equality

• Subtraction Property of Equality

• Division Property of Equality

• Substitution Property of Equality

• Multiplication Property of Equality

• Segment Addition Postulate

• Definition of Midpoint

• Symmetric Property of Congruence