Question

Aflați aria totală a unui cub cu muchia de:
a)8cm
b)
$5 \ \frac{1}{6}$
cm​

Answer 1

Răspuns:

a) A=6l^2=6×8^2=6×64=384 cm^2

b) A=6×1/6^2=6×1/36=6/36=1/6 cm^2

Answer 2

$\it \mathcal{A}_{t}=6\ell^2=6\cdot8^2=6\cdot64=\\ \\ \\ \mathcal{A}_{t}=6\ell^2=6\cdot\Big(\dfrac{31}{6}\Big)^2=\dfrac{31^2}{6}=$