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Posted by **Piggy** on Wednesday, February 22, 2012 at 10:49pm.

- geometry -
**Reiny**, Wednesday, February 22, 2012 at 11:23pmlet each side be x

6x^2 / x^3 = 2/5

2x^3 = 30x^2

2x^3 - 30x^2 = 0

2x^2(x - 15) = 0

x = 0, no cube

or

x = 15

check:

volume = 15^3 = 3375

SA = 6x^2 = 1350

1350/3375 = 2/5 , YEAHH

- geometry -
**Piggy**, Thursday, February 23, 2012 at 12:27amthank you

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