Parallel Lines and Angle Relationships

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 the Corresponding Angles Postulate?

Back

When a transversal crosses parallel lines, each pair of corresponding angles is equal.

Tags

CCSS.8.G.A.5

Front

Define 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 is the relationship between Alternate Interior Angles when lines are parallel?

Back

They are equal.

Tags

CCSS.8.G.A.5

Front

Define Same-Side 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 Same-Side Interior Angles when lines are parallel?

Back

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

Tags

CCSS.8.G.A.5

Front

What are Vertical Angles?

Back

Angles that are opposite each other when two lines intersect.

Tags

CCSS.7.G.B.5

Front

What is the relationship between Vertical Angles?

Back

They are always equal.

Tags

CCSS.7.G.B.5

Front

Back

Tags

CCSS.8.G.A.5

Front

Identify the angle relationship between angles 4 & 6 if they are on the same side of the transversal and inside the parallel lines.

Back

Same-Side Interior.

Tags

CCSS.8.G.A.5