! i need it now this image to classify each pair of lines. three horizontal lines e f and g h and i j are intersected by two vertical lines a b and c d. a ninety degree angle is formed by a b and e f. a ninety degree angle is formed by a b and i j. a ninety degree angle is formed by c d and e f. a ninety degree angle is formed by c d and i j. select parallel, perpendicular, or cannot be determined to classify each pair of lines.