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Wrong statement. Parallel lines don't always make vertical angles without the transversal, the line that passes through these lines. Without the transversal, we can't make the conclusion that parallel lines form vertical angles.
Perpendicular lines meet at right angles
Angles that are pairs of opposite and congruent lines formed by intersecting lines are intersections
intersecting lines * * * * * Non-perpendicular intersecting lines. Or else the angles would be right angles.
Lines that intersect right angles (ninety-degree angles) are described as perpendicular.