SA = 96 square units.
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SA = area of all sides added up. 6 Faces on a cube. 82 = 64. 64 x 6 = 384 The surface area of an 8" cube is 384"
The easiest way to find the volume of a cube is to find the length of its edgeand then cube that number.Here's how to find the length of the edge from the total surface area:-- A cube has 6 faces. If its total surface area is 96 square units, thenthe area of each face is 16 square units.-- Each face is a square. If the area of the square is 16 square units, thenthe side of the square is 4 units.But the side of the square face is the same as the edge of the cube !-- The volume of the cube is (4 x 4 x 4) = 64 cubic units.
The side length is the cube root of 64 which is 4.
The volume of a cube that measures 4.00 cm on each side is: 64 cm3
If you double a 2-inch cube to a four-inch cube, its volume increases from eight cubic inches to 64 cubic inches.