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 are Alternate Interior Angles?

Back

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

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 a transversal; they are congruent.

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 inside the two parallel lines; they are supplementary.

Tags

CCSS.8.G.A.5

Front

What are Supplementary Angles?

Back

Two angles whose sum equals 180°.

Tags

CCSS.7.G.B.5

Front

What are Complementary Angles?

Back

Two angles whose sum equals 90°.

Tags

CCSS.7.G.B.5

Front

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

Back

The lines are parallel.

Tags

CCSS.8.G.A.5

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

They are congruent.

Tags

CCSS.8.G.A.5

Front

What is the relationship between same-side interior angles when two parallel lines are cut by a transversal?

Back

They are supplementary.

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