Calculate Surface Area: Cube with 12 cm Edges

Question

The edges of a cube are 12 cm long.

What is the surface area of the cube?

00:00 Find the surface area of the cube

00:03 Edge length according to the given data

00:06 We'll use the formula to calculate the surface area of a cube

00:10 Multiply the number of faces (6) by the area of one face

00:14 Substitute appropriate values and solve to find the surface area

00:22 And this is the solution to the problem

To solve for the surface area of the cube, follow these steps:

Step 1: Identify the given information. The edge length of the cube is 12 cm.
Step 2: Apply the surface area formula for a cube, which is $A = 6s^2$ , where $s$ is the side length.
Step 3: Substitute the side length into the formula: $A = 6 \times 12^2$ .
Step 4: Calculate $12^2 = 144$ .
Step 5: Multiply the result by 6: $A = 6 \times 144 = 864$ .

Therefore, the surface area of the cube is $864 \, \text{cm}^2$ .

$864$ cm².