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Problem:
The volume of a rectangular prism is 208 cm. If the area of one end is 16 cm, what is the length of the prism?

1 Answer

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The volume of a rectangular prism is represented by the following equation:


V=w*h*l

Where the variables are for volume, width, height, and length, respectively.

We are given that the area of one end is 16 cm² (units have to be correct when solving these problems, so it's 16 cm², not 16 cm as described in the problem). We know that
A=w*h

Using this knowledge, we can change the volume equation to our needs.


V=w*h*l


V=(w*h)*l


V=A*l

Note: We know that A is 16 since it's given


V=16*l

The volume is 208 cm³ (once again, incorrect units given). Insert this into the equation.


208=16*l

Divide both sides of the equation by 16.


13=l

The length is 13 cm.

Let me know if you need any clarifications, thanks!

User Yamini
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