Multiply the area of one of its faces by 6
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Total surface area of a cube: 6 times a side squared
Total Surface Area = 6L2. Where L = the length of one side of the cube.
From the surface area, calculate the length of each side: area = 6 x side2.Once you know this side, you can get the cube of it, to obtain the volume.
Total surface area of a cube = 6*area of cube face = 6*cube side*cube side
1mm cube has volume of 1mm3 and a surface area of 6*(1*1) = 6mm²2mm cube has a volume of 8mm3 and a surface area of 6(2*2)=24mm²Ratio for 1mm cube is 6-1 and ratio for 2mm cube is 3-1 ■