A cuboidal petrol tin has dimensions of 20cm×16cm×14cm. What is the total area of a sheet of tin required to make 12 such tins
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TSA of a cuboid=2(lb+bh+hl)
=2{(20*16)+(16*14)+(14*20)}
=2(320+224+270)
=2*814
=1628cm^2
TSA of 20 such cuboids=1628*12
=19536cm^2
=2{(20*16)+(16*14)+(14*20)}
=2(320+224+270)
=2*814
=1628cm^2
TSA of 20 such cuboids=1628*12
=19536cm^2
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