The surface area of the rectangular prism is of 144 m².
<h3>What is a rectangular prism?</h3>A rectangular prism is a solid that has three dimensions:
- Length l.
- Width w.
- Height h.
It's surface area is given by:
In this problem, the dimensions are: .
Hence:
The surface area of the rectangular prism is of 144 m².
You can learn more about surface area of a rectangular prism at brainly.com/question/17223528