The screens can vary in size. I have one which is 41 cm, while the one I am working on now is 70 cm.
it is 7 inches long :)
centimeters is the best unit but millimeters can also be used.
Millimeters are commonly used. It is also possible to use cm or dm.
if you meant width then a computer if you meant thickness a since textbook i you meant length then a textbook
The monitor needs to be set up. Most have controls to set up the height, width and screen positioning.
A pixel is a dot on a computer screen. The distance between pixels is not a fixed size - it can vary, even on the same screen (if you choose different resolutions). Measure the width of your screen, and check your screen's resolution.
a millimeter
The width of an adult's hand is typically around 8-9 centimeters in the metric system.
Width is a length or distance. The unit of length is the meter.
To find the area of a book cover in metric units, the most appropriate unit to use would be centimeters. The formula for finding the area of a book cover would be: length x width.
5 km