Parallel lines are lines that never cross each other - they keep the same distance apart from each other. When two lines intersect, the opposite (X) angles are equal. On parallel lines, alternate (Z) ...

Why not see how much you know about this topic already? Then work through the page and see if you can beat your score. Parallel lines are the same distance apart from each other all the way along ...

Lines may be essential in Photoshop documents, such as when you're setting up a page for executives to hand-write business statements or for employees to take notes at your next seminar. While drawing ...