SOLUTION: Hi! I am going into 6th grade and really need help with surface area!!! Please help me with the following... SA of a rectangular prism with the numbers of height-4m. width-12m

Algebra ->  Surface-area -> SOLUTION: Hi! I am going into 6th grade and really need help with surface area!!! Please help me with the following... SA of a rectangular prism with the numbers of height-4m. width-12m      Log On


   



Question 334140: Hi!
I am going into 6th grade and really need help with surface area!!!
Please help me with the following...
SA of a rectangular prism with the numbers of
height-4m.
width-12m.
length-8m.
Please Help!!!
Thank you and have a nice day!

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
SA of a rectangular prism with the numbers of
height-4m.
width-12m.
length-8m.
--------------
There are 6 faces.
2 are 4 by 12
2 are 4 by 8
2 are 8 by 12
--> 2*(4*12 + 4*8 + 8*12)
= 2*(48 + 32 + 96)
= 2*176
= 352 sq meters
----------------
PS The exclamation marks don't accomplish anything.