9x12
9x12 is a notation used to describe a rectangle with sides measuring 9 and 12 units, most commonly inches or centimeters. In arithmetic, it is read as nine by twelve or nine times twelve, and the product is 108. The phrase is often used to denote the dimensions of physical objects or spaces that have a rectangular shape, and it implies a 3:4 aspect ratio.
As a measurement, 9×12 inches is a widely used size for photographs, prints, and artwork intended for
Other uses of the term appear in product specifications, catalogs, and presentation materials where a rectangular