Write the definition as a biconditional statement. Two lines in the same plane that do not intersect are parallel lines. A) Lines are parallel if they do not intersect; lines do not intersect if they are parallel. B) Lines are parallel if they do not intersect; lines may not be parallel if they intersect. C) Lines do not intersect if they are parallel; lines are parallel if they do not intersect. D) Lines do not intersect if they are parallel; lines may not be parallel if they intersect.
