Question

A cereal box is 8 inches by 2 inches by 12 inches. What is its surface area?

Answer 1

Answer:

192 inches or 16 feet.

Step-by-step explanation:

Surface area is height x width x length, plug in your numbers are you get:

8 inches x 2 inches x 12 inches = 192 inches

Answer 2

Answer:

272 square inches

Step-by-step explanation:

Given: A cereal box is 8 inches by 2 inches by 12 inches.

To find: Surface area of the cereal box.

Solution:

The dimensions of the cereal box are 8 inches by 2 inches by 12 inches.

Let the length be 8 inches, width be 2 inches, and height be 12 inches.

Here, we need to find the total surface area of the cereal box.

The cereal box is in the shape of a rectangular prism.

The total surface area of the rectangular prism can be calculated as

$= 2(\text{length} \times \text{width} + \text{width} \times \text{height} + \text{length} \times \text{height})$

$= 2(\text{8} \times \text{2} + \text{2} \times \text{12} + \text{8} \times \text{12})$

$=2(16+24+96)$

$=2\times136$

$=272$

So, the surface area of the cereal box is 272 square inches.