You must want to know more on Photoshop resize images, it’s regulation and print style. In Photoshop, there have a dialogue box for image sizing. A images a lot of a amount of pixel. Each pixel have only one color. The number of pixels is equal for height and width. That means it’s a square for each images. A images has many size or user can setup any size. Suppose you want to print an image on large size. First need to decrease the regulation.  If you increase the size for both height and width, then regulation must be increase.