A) 192cm2
B) 512cm2
C) 768 cm2
D) 384 cm2
Correct Answer: D
Solution :
If the length of the edge of cube be \[x\] cm, then diagonal \[=\sqrt{3x}\] cm \[\therefore \]\[\sqrt{3x}=8\sqrt{3}\Rightarrow x=8\]cm \[\therefore \] Surface area of the cube \[=6{{x}^{2}}=6\times 8\times 8\] = 384 sq. cmYou need to login to perform this action.
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