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 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 at each intersection where a transversal crosses two lines.

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 does it mean for angles to be supplementary?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What does it mean for angles to be congruent?

Back

Two angles that have the same measure.

Tags

CCSS.8.G.A.2

Front

If angle A and angle C are supplementary, what is the relationship between their measures?

Back

The sum of the measures of angle A and angle C equals 180 degrees.

Tags

CCSS.7.G.B.5

Front

If angle 1 and angle 5 are corresponding angles, what can be said about their measures?

Back

If the lines are parallel, then angle 1 is equal to angle 5.

Tags

CCSS.8.G.A.5