Dan's new appliance arrived in a cardboard box in the shape of cube. What is the surface area of the cardboard box? A cube has side lengths of 3 feet. Use the formula S A = 6 s squared, where SA is the surface area of the cube and s is the length of each side.

The surface area of the cardboard box is 54 ft²

Step-by-step explanation:

The given parameters of the cubic cardboard box are;

The lengths of the sides of the cubic cardboard box, s = 3 feet

The surface area of a cube, SA = 6 × (Length of side)²

The surface area of the cardboard box having a cubic shape, SA = 6·s²

Therefore, the surface area of the cardboard box, SA = 6 × (3 ft)² = 54 ft.²

The surface area of the cardboard box = 54 ft.²

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step-by-step explanation: