the measures of a box are 40 cm, 30 cm and 20 CM respectively. How much centimetre cloth is required to make the cover of the box?
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Surface area of cuboid=l×b×h
so=40×30×20=24000m^2
so 24000m^2 of cloth is required
so=40×30×20=24000m^2
so 24000m^2 of cloth is required
Answered by
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in order to cover the box,we must find its perimeter
perimeter of a rectangle=2*[l+b]
=2*[40+30]=2*70=140 cm.
perimeter of a rectangle=2*[l+b]
=2*[40+30]=2*70=140 cm.
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