There can be no such cube since, by definition, all edges of a cube have the same length.
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A shape that is 4 x 4 x 2 is not a cube. The surface area of this object is 64 square units.
Surface area of cube = 6 * side ^2 24/6 =4 side = sqrt (4) =2 cm
The surface area of a cube with sides of 4 cm is 6*42 square cm = 96 sq cm. The surface area of a cube with sides of 2 units is 6*22 square units = 24 sq units.
4(5^2) = 100 in^2
2x2x6=24 Each surface is 2x2 which equals 4, and there are six surfaces on the outside of a cube, so 6x4=24. Ta-dah!