To calculate the volume of a cube: Cube the length of one edge of the cube. For an edge of length \(x\), the volume of a cube is given by the formula \(V\) = \(x\)³. To calculate the edge of a ...

486 ÷ 6 = 81. The area of one square face of the cube is 81 cm². Image caption, Find the length of an edge of the cube by finding the square root of the area of a square face. √81 = 9.