Parallel Lines and Transversals

Front

What are parallel lines?

Back

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

Tags

CCSS.HSG.CO.A.1

Front

What is a transversal?

Back

A line that crosses at least two other lines.

Front

What are corresponding angles?

Back

Angles that are in the same position on different parallel lines when cut by a transversal.

Tags

CCSS.8.G.A.5

Front

What are alternate interior angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What are alternate exterior angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What are consecutive interior angles?

Back

Angles that are on the same side of the transversal and inside the two lines.

Tags

CCSS.8.G.A.5

Front

What is the relationship between corresponding angles when lines are parallel?

Back

Corresponding angles are congruent.

Tags

CCSS.8.G.A.5

Front

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

Back

Alternate interior angles are congruent.

Tags

CCSS.8.G.A.5

Front

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

Back

Consecutive interior angles are supplementary.

Tags

CCSS.8.G.A.5

Front

What are vertical angles?

Back

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

Tags

CCSS.7.G.B.5