Question

diagonala unui cub are lungimea de 4√3 cm.Aria laterala a cubului este egala cu....cm²

Answer 1

d=l√3 ⇒ l√3=4√3 ⇒ l=4

$A_{l}=6l^2$

$A_{l}=6*16$

$A_{l} =96 cm^2$