The best option to complete the definition is:
D. they lie in the same plane and do not intersect.
This correctly defines parallel lines in Euclidean geometry.
Which of the following best completes this definition?
Two lines are parallel if and only if ______________.
A.
they intersect and form acute angles
B.
they do not lie in the same plane and do not intersect
C.
they intersect and form right angles
D.
they lie in the same plane and do not intersect
1 answer