Question

Surface area.. please answer

Answer 1

160, I think. SA=2(lw+lh+wh).

Answer 2

$\boxed{ \mathfrak{\huge \: \underline{ \underline{A nswer} }: }}$

Given terms :

$\hookrightarrow \: length = 8 \: in$

$\hookrightarrow \: width = 2 \: in$

$\hookrightarrow \: height = 12 \: in$

we know,

$\large\boxed{ \mathrm{surface \: \: area \: (a) = 2(lw + wh + lh)}}$

$\hookrightarrow \mathrm{\: a = 2 \times \bigg [(8 \times 2) + (2 \times 12) + (8 \times 12) \biggr]}$

$\hookrightarrow a = 2 \times \biggr[16 + 24 + 96 \biggr]$

$\hookrightarrow \: a = \bigg [\: 2 \times 136\bigg ]$

$\hookrightarrow \large \boxed{ \mathrm{a = 272 \: \: in {}^{3} }}$

____________________________________

$\mathrm{✌TeeNForeveR✌}$