The diagonal of a face of a cube equals $a\sqrt{2}$ where $a$ is the side. The body diagonal is —

Question

Accepted Answer

$a\sqrt{3}$

Answer

$a$

Answer

$a\sqrt{2}$

Answer

$a\sqrt{6}$

The diagonal of a face of a cube equals a2a\sqrt{2}a2​ where aaa is the side. The body diagonal is —