Anna is wrapping a gift that is in the shape of a cube the box has a height of 9 how much wrapping paper will she need?

1 Answer
Apr 10, 2018

She will need 486 units of wrapping paper.

Explanation:

The amount of wrapping paper Anna needs is the surface area of the cube.

Since the shape is a cube, all of its linear dimensions are the same.
Generally, the surface area of a figure is the sum of the areas of its sides, which a cube has 6 of. The area of one of the sides is simply 9*9 as it is a square.

SA=6*81

SA=486