The volume of a cube is 512cm3. Find the length of its side
-
A.
6cm -
B.
7cm -
C.
8cm -
D.
9cm
Correct Answer: Option C
Explanation
volume of cube = L x L x L
512cm3 = L3
L3 = 512cm3
L = 3(sqrt{512})
L (512)(frac{1}{3})
= (29)(frac{1}{3})
23 = 8cm