1.

Find the TSA and LSA of a cuboid whose length is 6cm breadrh is 5cm and height is 2cm​

Answer»

GIVEN :-

  • Breadth of the cuboid = 5 cm

  • Height of the cuboid = 2 cm

To FinD :-

  • TOTAL surface area of cuboid

  • Lateral surface area of cuboid

SolutioN :-

\large :\implies \boxed{\red { \bf TSA =2(LB + BH + HL)}} \\ \\ :\implies \sf TSA =2(6 \times 5 + 5 \times 2 + 2 \times 6) \\ \\ :\implies \sf TSA =2(30 + 10 + 12) \\ \\ :\implies \sf TSA =2 \times 52 \\ \\ :\implies \underline{ \boxed{ \blue{\sf TSA =104 \: {cm}^{2}}}}

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\large :\implies \boxed{\red{\bf LSA =2H(L + B)}} \\ \\ :\implies \sf LSA =2 \times 2(6 + 5) \\ \\ :\implies \sf LSA =4 \times 11 \\ \\ :\implies \underline { \boxed{\blue{\sf LSA =44 \: {cm}^{2}}}}


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