Question

The volume of a cube is 8a cubic units. If three such identical cubes are stacked, what is the total surface area of the cuboid formed?

• A. $24a^{\frac{1}{3}}$
• B. $48a^{\frac{2}{3}}$
• C. $56a^{\frac{2}{3}}$
• D. $72a^{\frac{2}{3}}$

Answer 1

The correct option is C $56a^{\frac{2}{3}}$