Like the answer before, the cube has 6 sides. So instead of SA= 6e sq., you do 6xS sq.
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If a is the side,lateral surface area of cube=4a2
if you are finding the surface area of a cube, first find the area of one side by multiplying length X width and then multiply the area of one side of the cube by 6. that would be the surface area of the cube
You find the surface area of a cube by using the formula 6e2. In this case, e=edge.
Surface Area of a Cube = 6 a 2(a is the length of the side of each edge of the cube)In words, the surface area of a cube is the area of the six squares that cover it. The area of one of them is a*a, or a 2 . Since these are all the same, you can multiply one of them by six, so the surface area of a cube is 6 times one of the sides squared.
To find the surface area of a cube, add the area of its 6 sides. The area of one side is x^2. The cube has 6 faces therefore the surface area equals 6x^2