Parallel Lines and Transversals

Front

What are alternate exterior angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What are same-side interior angles?

Back

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

Front

What are alternate interior angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What are corresponding angles?

Back

Angles that are in the same position on two parallel lines in relation to the transversal.

Tags

CCSS.8.G.A.5

Front

What are vertical angles?

Back

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

Tags

CCSS.7.G.B.5

Front

What is the relationship between same-side interior angles when the lines are parallel?

Back

They are supplementary, meaning they add up to 180 degrees.

Tags

CCSS.8.G.A.5

Front

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

Back

They are congruent, meaning they are equal in measure.

Tags

CCSS.8.G.A.5

Front

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

Back

They are congruent, meaning they are equal in measure.

Tags

CCSS.8.G.A.5

Front

If two parallel lines are cut by a transversal, what can be said about the alternate exterior angles?

Back

They are congruent.

Tags

CCSS.8.G.A.5

Front

If two parallel lines are cut by a transversal, what can be said about the same-side interior angles?

Back

They are supplementary.

Tags

CCSS.8.G.A.5