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 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 parallel 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 parallel 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 parallel lines.

Tags

CCSS.8.G.A.5

Front

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

Back

They are equal.

Tags

CCSS.8.G.A.5

Front

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

Back

They are equal.

Tags

CCSS.8.G.A.5

Front

If two parallel lines are cut by a transversal, what can be said about consecutive interior angles?

Back

They are supplementary (add up to 180°).

Tags

CCSS.8.G.A.5

Front

What is the sum of the angles in a triangle?

Back

180°.

Tags

CCSS.8.G.A.5