The same size LCD, widescreen and normal screen on which a greater surface area?

Users questions: 17-inch, 19 inch, the LCD display, widescreen How much surface area? What is the average surface area?
Experts answer: display screen size is the diagonal length of the subject. From a geometry perspective, the same diagonal, then the square of the area is the largest difference between length and width of the larger Smaller the area. Therefore, with the size of the actual screen area than the regular widescreen smaller.
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