Respuesta :

You gotta multiply and then round it to the nearest tenth hope it worked!

Answer:

Length of diagonal==

[tex] \sqrt{ {2}^{2} + {3}^{2} + {6}^{2} } [/tex]

[tex] = \sqrt{4 + 9 + 36} [/tex]

[tex] \sqrt{49 } = 7[/tex]