Answers

2014-10-11T20:44:44+08:00
Volume of a cube:
V = s³
where V is the volume 
         s is the length of one side
V=729 cm³
729 = s³
getting the cube root:
s = 9cm

the total surface area is defined by the formula
A = 6s²
A = 6(9)²
A = 486 cm²
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