Triangle END is reflected across the line y = x using the rule (x, y) - (y, x) to create triangle E'N'D'. If a line segment is drawn from point E to point E', which statement would best describe the line segment drawn in relation to the line y = x?
O Both are congruent to each other.
O Both create diameters of concentric circles.
They are parallel.
They are perpendicular.