Answer:

7200cm³ or 72m³

Explanation:

12cm x 40cm is 480

Take 480 and multiply it by 15 which is 7200cm³

How to find volume of a Rectangular prism:

To find the volume of a Rectangular prism all you gonna do is L x W x H

or Length x Width x Height

For example:

4m is length

4m is Width

and  4m is Height

So you gonna do is 4m x 4m x 4m which is 64m³

If it is given like this:

a storage box is 15cm, by 30 cm, by 5 cm. what is the volume of the box?

All you gonna do is take the numbers and multiply it like this

15 x 30 x 5 the volume of the box is 2250³

To learn more about volume follow this steps

• First, Go to Youtube
• Second search Math antics Volume

• Then, click the video titled Math Antics - Volume

Math Antics teaches you about Math like Volume, Area, Percentage or every thing so subscribe to Math Antics

- HYPER SQUAD