a) V = 3 x 2 x 2 = 12 ($cm^{3}$)
$S_{xq}$ = 2 x (3 + 2) x 2= 20 ($cm^{2}$)
b) V = $2^{3}$ = 8 ($cm^{3}$)
$S_{xq}$ = 4 x 2$^{2}$= 16 ($cm^{3}$)
a) V = 3 x 2 x 2 = 12 ($cm^{3}$)
$S_{xq}$ = 2 x (3 + 2) x 2= 20 ($cm^{2}$)
b) V = $2^{3}$ = 8 ($cm^{3}$)
$S_{xq}$ = 4 x 2$^{2}$= 16 ($cm^{3}$)