Question

If the length of a diagonal of a cube is $4\sqrt{3}cm$, then the length of its edge is:

• A. $2cm$
• B. $3cm$
• C. $4cm$
• D. $6cm$

Answer 1

The correct option is C $4cm$

Length of the diagonal of a cube of side $a=\sqrt{3}a$

Given, $\sqrt{3}a=4\sqrt{3}$

$\therefore a=4cm$