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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

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
20 days ago

The correct option to complete the definition is:

**D. they lie in the same plane and do not intersect.**

In geometry, two lines are considered parallel if they are in the same plane and do not intersect at any point.