Identifying Angle Pairs (Vertical Angles/Angle Bisectors)

Front

What are Vertical Angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Front

What is an Angle Bisector?

Back

An angle bisector is a line or ray that divides an angle into two equal parts.

Front

Identify the angle pair: Two angles that are equal and opposite each other when lines intersect.

Back

Vertical Angles

Front

Identify the angle pair: A line that splits an angle into two equal angles.

Back

Angle Bisector

Front

What is the relationship between Vertical Angles?

Back

Vertical angles are congruent, meaning they have the same measure.

Front

What happens when an angle is bisected?

Back

The original angle is divided into two equal angles.

Front

If two angles are vertical angles, what can we say about their measures?

Back

Their measures are equal.

Front

If an angle measures 60 degrees, what is the measure of each angle after it is bisected?

Back

30 degrees each.

Front

What is the definition of 'congruent angles'?

Back

Congruent angles are angles that have the same measure.

Front

Can an angle bisector create two angles that are not equal?

Back

No, an angle bisector always creates two equal angles.