1.

Find the total surface area of a cuboid with dimensions 10cm,6cm and 4cm​

Answer»

\bf \: \underline{ Given} :

\sf \implies Length = 10 \: cm

\sf \implies Breadth = 6 \: cm

\sf \implies Height = 8 \: cm

\bf \: \underline{To \: find} :

\sf \implies Total \: surface \: area \: of \: cuboid.

\bf \:  \underline{Formula \:  to \:  be  \: used},

\boxed{ \sf \: Total \: surface \: area \: of \: cuboid = \red{2(LB +BH + HL)}\: Sq.unit}

\sf \: Where,

\sf \bull \: \implies \:L = Length

\sf \bull \: \implies \:B = Breadth

\sf \bull \: \implies \:H = Height

\sf \: Therefore,

\sf \: \underline{Putting \: the \: values} \: :

\sf \implies  \sf \: {2 \: (10 \times 6 +6 \times 8+ 8 \times 10)}

\sf \implies \sf \: {2 \: (60+48+ 80)}

\sf \implies \sf \: {2 \: (108+ 80 )}

\sf \implies  \sf \: {2 \: (188)}

\sf \implies\sf  { \: 2 \: \times 188}

\sf \implies \sf \: 376

\underline{ \boxed{\pink{ \sf \: Hence \: total \: surface \: area \: of \: cuboid =  376\: cm^{2}}}}

\underline{\sf Some \: more \: information \: about \: Cuboid}  :

\sf \: 1. \: Volume \: of \: cuboid : (Length \times Breadth \times Height) \: \underline{ Cubic \: units}

\sf \: 2. \: Diagonal \: of \: Cuboid : \sqrt{(L^{2} + B^{2} + H^{2}) }\: units

\sf\:3. \: Perimeter \: of \: cuboid : 4 \: (length + breadth + height)\:Sq.units

\sf \: 4. \: Total \: surface \: area : 2(LB +BH + HL)\: Sq.units

\sf \: 5. \: Lateral \: Surface \: area : 2 \: height \: (length + breadth) \: Sq.units



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