Converse of Same-Side (Consecutive) Interior Angles Theorem

Directions: Move point E or F and analyze the relationship between the measurements. Use what you notice to complete the definition.

Same-Side Interior Angles Converse Theorem If two coplanar lines are cut by a transversal so that a pair of same-side interior angles are ________________________, then the two lines are parallel.

Which definition best fits Supplementary Angles?

Linear pairs that add up to 180 degrees Two angle measures that add up to 180 degrees Two adjacent angles that add up to 180 degrees

True or False: Same-Side Interior Angles and Same-Side Exterior Angles both add to 180 degrees.

True False

True or False: Same-Side Interior Angles are considered linear pairs and that is why they are supplementary.

False True

Information: Converse of Same-Side (Consecutive) Interior Angles Theorem