The cube's surface area is 54 cm2 and its volume is 27 cm3
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well if one edge is 3cm, then that means the length of the cube is 3cm, and because a cube is a 3d square, each side is 3cm which means the volume of the cube is 3x3x3 = 273 AND the surface area us 3x3 for one side x 6 sides = 54cm2 [JxC250: The dimension isn't correct. 27 cubic cm, or cm^3, and 54 square cm, or cm^2.
This should be solved in two steps. 1) Use the formula for the area of a cube, and solve for the length of a side of the cube. 2) Using this length, it is easy to find out the volume, with the formula for the volume of a cube.
9
Surface area of cube = 6 x (side squared). In this case 6 squacen, not allowing for any overlap.
Length2 x 6.. in other words - the length of one side squared, then multiplied by 6