An open box of length 1.5m,breadth 1m and height 1m is to be made for use on a trolley for carrying garden waste how much sheet metal will required to make this box?
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we have
l= 1.5m,. b=1m,. h=1m
we know
area of cuboid =2(b+l)h+lb [it is open in top]
= 2(1+1.5)1+1.5(1)
= 2(2.5)+1.5
=5+1.5
= 6.5 m^2
hence 6.5 m^2 metal sheet is required to make this box
l= 1.5m,. b=1m,. h=1m
we know
area of cuboid =2(b+l)h+lb [it is open in top]
= 2(1+1.5)1+1.5(1)
= 2(2.5)+1.5
=5+1.5
= 6.5 m^2
hence 6.5 m^2 metal sheet is required to make this box
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