Answer to Question #22288 in Geometry for mackenzie

Question

If two angles are consecutive interior angles formed when a transversal cuts two parallel lines, then they are supplementary. You know that are consecutive interior angles. Using the Law of Detachment, which conclusion could you make?

Answer 1

A)<A and <B are consecutive interiorangles
B)<A and <B are supplementary
Conclusion - Lines are parallel

A)<A and <B are consecutive interior angles
B)<A and <B are not supplementary
Conclusion - Lines are not parallel