#1**+10 **

There is length, width and height

Length=L

Width=W

Height=H

We can make this equation to solve the surface area of a rectangular prism.

(L*W*2)+(L*H*2)+(H*W*2)=SA (Surface Area)

For this specific problem, the equation is:

(15*12*2)+(15*6*2)+(12*6*2)

We can use the calculator to find this out

$$\left({\mathtt{15}}{\mathtt{\,\times\,}}{\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{2}}\right){\mathtt{\,\small\textbf+\,}}\left({\mathtt{15}}{\mathtt{\,\times\,}}{\mathtt{6}}{\mathtt{\,\times\,}}{\mathtt{2}}\right){\mathtt{\,\small\textbf+\,}}\left({\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{6}}{\mathtt{\,\times\,}}{\mathtt{2}}\right) = {\mathtt{684}}$$

The surface are for this problem is 684 ft^2

happy7
Feb 4, 2015

#1**+10 **

Best Answer

There is length, width and height

Length=L

Width=W

Height=H

We can make this equation to solve the surface area of a rectangular prism.

(L*W*2)+(L*H*2)+(H*W*2)=SA (Surface Area)

For this specific problem, the equation is:

(15*12*2)+(15*6*2)+(12*6*2)

We can use the calculator to find this out

$$\left({\mathtt{15}}{\mathtt{\,\times\,}}{\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{2}}\right){\mathtt{\,\small\textbf+\,}}\left({\mathtt{15}}{\mathtt{\,\times\,}}{\mathtt{6}}{\mathtt{\,\times\,}}{\mathtt{2}}\right){\mathtt{\,\small\textbf+\,}}\left({\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{6}}{\mathtt{\,\times\,}}{\mathtt{2}}\right) = {\mathtt{684}}$$

The surface are for this problem is 684 ft^2

happy7
Feb 4, 2015