They're similar because they both have six sides, but they're different because a regular hexagon is always the same and is symetrical in six ways, and a normal hexagon is not. (You can look at...
1. It can be, but it doesn't have to be. A polygon with any number of sides, and of any size, is regular IF AND ONLY IF all the sides are the same length, and all the angles are the same.2. What the...