Question

Gabriella is decorating the outside of a box in the shape of a cube. The figure belowshows a net for the box.

Answer 1

Gabriella is decorating the outside of a box in the shape of a cube.

The side length of each side of the cube is the same that is 6.4 in

The surface area of the cube is given by

`A=6a^2`

Where a is the side length of the cube.

The formula tells us that there are 6 small squares and the surface area of each square is a^2

Let us substitute a = 6.4 into the above formula

`\begin{gathered} A=6\cdot(6.4)^2 \\ A=6\cdot40.96 \\ A=245.76\; in^2 \end{gathered}`

Therefore, the surface area of the cubic box is 245.76 square inches.