4.3D Proofs + More

Front

What is a point that bisects a segment into two congruent segments?

Back

Midpoint

Front

If AB=50, which definition explains why AM=25?

Back

Definition of Midpoint

Front

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

Back

AB = BC

Front

What is the justification for AB + BC = AC?

Back

Segment Addition Postulate

Front

What is the justification for the relationship between vertical angles?

Back

Vertical Angles Theorem

Front

Define Midpoint.

Back

A point that divides a segment into two equal parts.

Front

What does the Segment Addition Postulate state?

Back

If B is between A and C, then AB + BC = AC.

Front

What are Vertical Angles?

Back

Angles opposite each other when two lines intersect; they are always congruent.

Front

What is the Definition of Congruent?

Back

Two figures that have the same size and shape.

Front

What is the Definition of Supplementary Angles?

Back

Two angles whose measures add up to 180 degrees.