Parallel Lines Cut by a Transversal

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 intersects two or more lines at different points.

Tags

CCSS.8.G.A.5

Front

What are corresponding angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What is the relationship between alternate interior angles?

Back

They are equal when two parallel lines are cut by a transversal.

Tags

CCSS.8.G.A.5

Front

What are alternate exterior angles?

Back

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

Tags

CCSS.8.G.A.5

Front

What is the sum of the angles on a straight line?

Back

180 degrees.

Tags

CCSS.7.G.B.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, meaning they add up to 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the definition of vertical angles?

Back

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

Tags

CCSS.7.G.B.5

Front

If ∠4 = 60°, what is the measure of ∠8 if lines are parallel?

Back

∠8 = 60° (corresponding angles are equal).

Tags

CCSS.8.G.A.5

Front

How do you find the measure of an angle when given its corresponding angle?

Back

The measure of the corresponding angle is equal to the measure of the given angle.

Tags

CCSS.8.G.A.5