Find the lateral surface area of a cuboidal box 6m long, 4m broad and 3m deep

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1. Answer:

   ,

   Step-by-step explanation:

   We are given l=8m,b=5m,h=3.5m. We know that

   L.S.A. =2h(l+b)=2×3.5(8+6)=7×14=98m

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   Similarly,

   T.S.A. =2(lb+bh+lh)=2(8×6+6×3.5+8×3.5)=2(48+21+28)=2×(97)=194m

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