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How do i find the surface area of this prism  W=12 L=15 H=6

JoeySmiles  Feb 4, 2015

Best Answer 

 #1
avatar+7188 
+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
Sort: 

5+0 Answers

 #1
avatar+7188 
+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
 #2
avatar+80866 
0

Very nice, h7....

 

CPhill  Feb 4, 2015
 #3
avatar+91432 
0

Yes, very nice happy :)

 

Well square units anyway - I didn't see any mention of feet. :)

Melody  Feb 4, 2015
 #4
avatar+80866 
+5

The "feet" were on the duck....!!!!!

 

CPhill  Feb 4, 2015
 #5
avatar+91432 
0

So  they were Chris, sorry Happy I did not notice. 

Melody  Feb 5, 2015

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