Question

Find the area of card board required to make an open cubical box of side 40cm.also find the volume of the box.​

Answer 1

$lsa \: = \: 4 {x}^{2} \\ = 4 \times {40}^{2} \\ = 4 \times 1600 \\ = 6400 \\ answer = 6400 \: {cm}^{2}$
$volume = {x}^{3} \\ = {40}^{3} \\ = 64000 \\ answer = 64000 {cm}^{3}$
$pls \: mark \: as \: brainlist$