A solid object may be drawn as a flat plane object showing all sides, or it may be drawn as an isometric drawing. From the list below, choose which statements about solid objects drawn as isometric drawings are true. I. Circles are drawn exactly as circles. II. Circles are drawn as ellipses and not as exact circles. III. Horizontal lines are drawn at 30° angles above the horizontal. IV. Horizontal lines are drawn at 60° angles above the horizontal. V. Vertical lines are drawn at 90° angles above the horizontal. VI. Vertical lines are drawn at 120° angles above the horizontal.