Question

What is the surface of the surface of the rectangular prism below?

Answer 1

Okay... you wanna derive this or you want me to go straight to the point with the formula? :)

Answer 2

I'd like if you could go straight with the formula, and kinda like break it down a bit.
In order for me to understand, please? :)

Answer 3

Okay, so the surface area of a rectangular prism is just the sum of the areas of its six faces, right?

Answer 4

Correct..

Answer 5

But those faces come in pairs, like, this face....
Has a "partner" on the other side of the prism, that has the exact same measurements, right?