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surface area = 6 x 8 x 8
Entire surface area: 6*8*8 = 384 square inches
A cube has six equal sides; therefore, its surface area is six times the area of one of its square sides. The area of each square, in this case, is 8 x 8.
There can be no such cube since, by definition, all edges of a cube have the same length.
Surface Area of a cube = 6a2 Here a = 8 cm So, S.A. = 6 x (8)2 = 6 x 64 = 384 sq. cm