Martin drew a pair of perpendicular lines and a pair of parallel lines. Which of these statements best compares the pairs of perpendicular and parallel lines? 1: Perpendicular and parallel lines have their lines extending in one direction 2: perpendicular and parallel lines always have a common endpoint 3: perpendicular lines are lines that intersect at right angles, and parallel lines are lines that never meet 4: perpendicular lines have only on point lying on them, and parallel lines have no point lying on them?
