2.3 Review

Front

What is the definition of an angle bisector?

Back

An angle bisector is a ray that divides an angle into two congruent angles.

Front

What does it mean for points to be noncollinear?

Back

Noncollinear points are points that do not all lie on the same straight line.

Front

What is the Reflexive Property of Congruence?

Back

The Reflexive Property states that any geometric figure is congruent to itself, e.g., ∠G ≅ ∠G.

Front

What does the Vertical Angles Theorem state?

Back

The Vertical Angles Theorem states that opposite angles formed by two intersecting lines are congruent.

Front

What is the definition of a midpoint?

Back

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

Front

What is the definition of congruent angles?

Back

Congruent angles are angles that have the same measure.

Front

What is the definition of a plane in geometry?

Back

A plane is a flat, two-dimensional surface that extends infinitely in all directions.

Front

What is the definition of collinear points?

Back

Collinear points are points that lie on the same straight line.

Front

What is the Symmetric Property of Congruence?

Back

The Symmetric Property states that if one figure is congruent to another, then the second figure is congruent to the first.

Front

What is the definition of a linear pair of angles?

Back

A linear pair of angles are two adjacent angles formed when two lines intersect, and they are supplementary.