Parallel Lines and Transversals Review

Front

What are parallel lines?

Back

Lines in a plane that never meet and are always the same distance apart.

Front

What is a transversal?

Back

A line that intersects two or more lines at different points.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines.

Front

What are alternate exterior angles?

Back

Angles that are on opposite sides of the transversal and outside the two lines.

Front

What is a linear pair of angles?

Back

Two adjacent angles that form a straight line, summing to 180 degrees.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are equal.

Front

How do you identify alternate interior angles?

Back

Look for angles that are on opposite sides of the transversal and between the two lines.

Front

How do you identify alternate exterior angles?

Back

Look for angles that are on opposite sides of the transversal and outside the two lines.

Front

What is the relationship between alternate interior angles when the lines are parallel?

Back

They are congruent.

Front

What is the relationship between alternate exterior angles when the lines are parallel?

Back

They are congruent.