What is the surface area of the rectangular prism that is 16m long, 4m wide, and 4m high.

228m

Step-by-step explanation:

Rectangles have 6 sides so our rectangle will look something like this:

16m ↓

[                                     ]    ←4m

[]

There is also an invisible line back there which will be 4m as well.

Let's look at the Surface Area Formula:

A = 2 × (w × l + h × l + h × w)

Now let's insert our numbers:

= 2 × (4 × 16 + 4 × 16 + 4 × 4)

Multiply this out and get:

= 288

Don't forget the m!

So our answer really is,

= 288m

the anwser is d) 75°

step-by-step explanation:

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