Two lines are parallel in Euclidean Geometry if .....

Question

A. They are in the same plane and never intersect
B. They meet at a vertex
C. they split each other in half
D. They intersect and form 90 degree angles

Answer 1

A. They are in the same plane and never intersect

In Euclidean Geometry, two lines are defined as parallel if they are in the same plane and do not intersect at any point, no matter how far they are extended.