# 6.3.4. Volume of a Cuboid

The perimeter of the base of a cuboid is

- A
- B
- C
- D

### Example

The perimeter of the base of a cuboid is

### Solution

Step 1: Find the sum of the length

Since the perimeter of a cuboid's base = 2

Step 2: Find the base's length and the base's width.

We can use the concept of "the sum of parts." The ratio of the base's length to its width is

The sum of the length

Since 9 parts =

Step 3: Find the volume.

Use the formula for the volume of a cuboid.