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# Volume of a Cube

## Volume of a Cube Lesson

### Cube Volume Formula

The formula for volume of a cube is given as:

V = a3

Where V is the volume and a is the edge length.

INTRODUCING

### Volume of a Cube Example Problems

Let's go through a couple of example problems together to practice finding the volume of a cube.

#### Example Problem 1

Find the volume of a cube with an edge length of 5.

Solution:

1. We can simply plug the edge length into the formula. This gives us:
2. V = a3
3. V = (5)3 = 125
4. The volume of the cube is 125.

#### Example Problem 2

The volume of a cube is 343. What is the edge length?

Solution:

1. Let's plug the volume into the formula and then solve for the edge length a.
2. V = a3
3. 343 = a3
4. 3√343 = a
5. a = 7
6. The edge length is 7.
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