Angle Relationships with Parallel Lines & Transversals

Front

What is the Same Side Interior Angles Postulate?

Back

If two parallel lines are cut by a transversal, then each pair of same-side interior angles is supplementary (adds up to 180 degrees).

Front

What does the Vertical Angles Theorem state?

Back

When two lines intersect, the opposite (vertical) angles are equal.

Front

Define the Same Side Interior Angles Theorem.

Back

This theorem states that if two parallel lines are cut by a transversal, then the same-side interior angles are supplementary.

Front

What is the Linear Pair Theorem?

Back

If two angles form a linear pair, they are supplementary (adds up to 180 degrees).

Front

What does the Definition of Supplementary Angles mean?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

What is the Corresponding Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of corresponding angles is equal.

Front

Explain the Alternate Interior Angles Theorem.

Back

If two parallel lines are cut by a transversal, then each pair of alternate interior angles is equal.

Front

What is the Alternate Exterior Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of alternate exterior angles is equal.

Front

How do you identify corresponding angles?

Back

Corresponding angles are in the same position on two parallel lines in relation to the transversal.

Front

What are alternate interior angles?

Back

Alternate interior angles are on opposite sides of the transversal and inside the two parallel lines.