Question

Can anybody help me on this

Answer 1

I don't know why but the answer I kept getting was 5184 but I believe it is 72

Explanation:

Answer 2

For this case we have that by definition, the area of a rectangular prism is given by:

`A_ {t} = A_ {l} + 2A_ {b}`

Where:

`A_(l):` Is the lateral area

`A_ {b}:`It is the area of the base

`A_ {l} = P_ {b} * h`

Where:

`P_ {b}` It is the perimeter of the base

h: It's the height

`P_ {b} = (2 + 3 + 2 + 3) \ feet\\P_ {b} = 10 \ feet\\A_ {l} = 10 * 12\\A_ {l} = 120 \ feet ^ 2`

On the other hand:

`A_ {b} = 2 * 3\\A_ {b} = 6 \ feet ^ 2`

Finally:

`A_ {t} = 120 \ feet ^ 2 + 2 * 6 \ feet ^ 2\\A_ {t} = 132 \ feet ^ 2`

ANswer:
`A_ {t} = 132 \ feet ^ 2`