Determine the area of one face (2m x 2m = 42m). Multiply by the number of faces on a cube - 6.
So, 6 x 42m = 242m total surface area.
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Take the cube root of the volume to get the length of an edge. Square this number to get the area of a side, Multiply this by 6 to get the total surface area of the cube.
If a is the side,lateral surface area of cube=4a2
Cube root the volume and square it multiplying it by 6 As for example if its volume was 27 then its cube root is 3 and 32*6 = 54 which is the cube's total surface area
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.