Question

If diagonal of a cube is $\sqrt{12} cm$, then its volume in cubic cm is :

• A. 16
• B. 8
• C. 12
• D. 24

Answer 1

Answer:

B. 8

$Diagonal = a\sqrt{3}$

=>a\sqrt{3}=\sqrt{12}

$a\sqrt{3}=2\sqrt{3}$

$a=2cm$

Volume of Cube $=a^3$

$=2^3=8cm^3$