Usually in the right hand corner of the paper.
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find the area of each side and add them together.
Use a ruler, to find out the area do width times length.
First of all, there's probably no other way to find it except with math.-- Add up:(length of the box times width of the box) plus(length of the box times height of the box) plus(width of the box times height of the box).-- Double the result.-- You have the total area of the cardboard used to make the box, including its top.
Add together the areas of all 6 sides.
Volume is how much an object can store - like how much can you put inside a box. Surface area is the sum of the area of an objects surfaces - such as if you have a box, find the area of one side. Then you just multiply it by 6 (because a box have 6 faces) to get the total area of an object's surface.