Question

calcule a medida diagonal do cubo​

Answer 1

D = a.√3 = 2,5√3 =2,5(1,732)= 4,33cm

Answer 2

Diagonal do cubo de lado L

$\boxed{\boxed{\mathtt{d=L\sqrt{3}}}}$

O lado do cubo mede 2,5 portanto sua diagonal será

$\huge\boxed{\boxed{\mathtt{d=2,5\sqrt{3}cm}}}$