Question

Shane is using pieces of square paper to cover a cube shaped gift with sides that are 9 inches long to find out the area of the paper he needs,he uses the formula for surface area of a cube A=6s to the power of 2.What is the surface area of the cube.

Answer 1

486 Square inches

Explanation:

Side Length of the Cube = 9 Inches

For a cube of side length s, Surface Area,
`A=6s^2`

In this case, s=9 Inches

Therefore:

Surface area of the cube

`A=6*9^2\\=486$ Square inches`

The surface area of the cube is 486 Square inches. Therefore Shane will need 486 Square inches of paper.