The surface area of the rectangular prism is of 144 m².
What is a rectangular prism?
A rectangular prism is a solid that has three dimensions:
It's surface area is given by:
[tex]S = 2(lw + lh + wh)[/tex]
In this problem, the dimensions are: [tex]l = w = 6, h = 3[/tex].
Hence:
[tex]S = 2[6(6) + 6(3) + 6(3)] = 144[/tex]
The surface area of the rectangular prism is of 144 m².
You can learn more about surface area of a rectangular prism at https://brainly.com/question/17223528
