Posted by Piggy on Thursday, February 23, 2012 at 1:00am.
Find the ratio of surface area to volume for a cube with a volume of 64 in^3.

geometry  Reiny, Thursday, February 23, 2012 at 8:09am
I have now done quite a few of these type of questions for you.
Show me that you can do this easy one.

geometry  Piggy, Thursday, February 23, 2012 at 12:19pm
v = s^3
64 = s^3
s = 4 in
SA = 6s^2
= 6 x 4^2
= 1024 in^2
Now I know v = 64 in^3 & SA = 1024 in^3
The ratio is 1024/64 = 16:1
is it right????

geometry  Reiny, Thursday, February 23, 2012 at 7:38pm
6 x 4^2
= 6x16
= 96 , not 1024
so ratio is 96/64 = 3/2

geometry  Piggy, Friday, February 24, 2012 at 4:00pm
thanks
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