Question

Find the surface area of a cuboid of side 12 cm, 15 cm and 20 cm.

Answer 1

Answer:

the surface area of a cuboid of side 12 cm, 15 cm and 20 cm is 1440 cm2

Answer 2

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\huge{\underline{\color{red}{\bf{Question}}}}}$

Find the surface area of a cuboid of side 12 cm, 15 cm and 20 cm.

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\huge{\underline{\color{green}{\bf{Required\:Answer}}}}}$

${\large{\boxed{\sf{T.S.A\:of\:given\:Cuboid\:is\: \longmapsto 1440m^2}}}}$

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\large{\underline{\underline{\color{orange}{\sf{Given}}}}}}$

${\large{\sf{l=12cm}}}$

${\large{\sf{b=15cm}}}$

${\large{\sf{h=20cm}}}$

${\large{\underline{\underline{\sf{To\:Find}}}}}$

${\large{\sf{T.S.A=?}}}]$

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\large{\underline{\underline{\sf{Formula\:Using}}}}}$

${\large{\boxed{\underline{\color{red}{\sf{2(lb+bh+hl)}}}}}}$

${\large{\underline{\underline{\sf{Here}}}}}$

${\large{\sf{l=length}}}$

${\large{\sf{b=breadth}}}$

${\large{\sf{h=height}}}$

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

$\begin{gathered} \\ \qquad{\rule{150pt}{1pt}} \end{gathered}$

${\qquad{\qquad{\qquad{\quad{\large{\underline{\underline{\color{blue}{\sf{Solution}}}}}}}}}}$

${\qquad{\qquad{\quad{\large{\boxed{\underline{\sf{2(lb+bh+hl)}}}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(12\times 15\times 20+20\times 12)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(180+15\times 20+20\times 12)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(180+300+20\times 12)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(180+300+240)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(180+300+240)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(480+240)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{2(720)}}}}}}$

${\qquad{\qquad{\quad{\large{\sf{1440}}}}}}$

$\begin{gathered} \\ \qquad{\rule{150pt}{1pt}} \end{gathered}$

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\large{\boxed{\color{green}{\sf{T.S.A\:of\:given\:Cuboid\:is\: \longmapsto 1440m^2}}}}}$

$\begin{gathered} \\ {\underline{\rule{200pt}{3pt}}} \end{gathered}$

${\qquad{\qquad{\qquad{\qquad{\qquad{\qquad{\scriptsize{\sf{@BrainlyResearcher}}}}}}}}}$