A) 64
B) 144
C) 36
D) 72
Correct Answer: D
Solution :
Let x be the length of a side (edge of the cube) Now,\[{{x}^{3}}=12x\Rightarrow \,\,{{x}^{2}}=12\] Total surface area \[=6{{x}^{2}}=6\times 12=72\] square unitsYou need to login to perform this action.
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