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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