Segment Proofs Vocab

Front

What is the definition of a midpoint?

Back

A midpoint is a point that divides a segment into two equal parts.

Front

If L is the midpoint of segment TJ, what is true about the lengths of TL and LJ?

Back

TL = LJ.

Front

What does it mean for a segment to be bisected?

Back

To bisect a segment means to divide it into two equal parts.

Front

If DA bisects IE, what can we conclude about the segments IA and EA?

Back

IA = EA.

Front

What is the Addition Property of Equality?

Back

If a = b, then a + c = b + c for any c.

Front

What is the Reflexive Property of Congruence?

Back

For any segment AB, AB is congruent to AB.

Front

What is the definition of congruence in geometry?

Back

Two figures are congruent if they have the same shape and size.

Front

What is the Substitution Property of Equality?

Back

If a = b, then b can be substituted for a in any expression.

Front

What is the significance of the definition of a bisector?

Back

A bisector divides a segment or angle into two equal parts.

Front

What is the Transitive Property of Equality?

Back

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