Just add the area of the six squares - that gives you 6a2, where a is the length of one side.
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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.
If you mean surface area, the answer is 197.372 mm2
[width] x [length] x 6 = Area of a cube . Note: width and length should be the same if its a cube.
First you can use the volume to determine the side legnth of a cube. The legnth of a sideis equal to the cube root of its volume. In this case the volume is 125 and the cubed root of 125 is 5. So the legnth of a side is 5. The area of one side of the cube is equal to the width times the height. In this case, the area of the side is 5 times 5, or 25. The surface area is the area of all sides of the cube. The cube has 6 sides, each with an area of 25. So the surface area is 6 times 25 or 150. The reduced equation would be SA = 6 times (Volume to the 2/3 power)
The area of a cube is given by the formula volume = width × height x depthBut since the width, height and depth are by definition the same in a cube, the formula is usually written as V= s3To determine the length of a side given the volume we just have to reverse the formula:s = 3√volumes = √64cm3 = 4cm