Question

A cardboard box of length 80cm,breadth 70cm, and height 50cm is to be made. It is to be open at the top.ignoing the thickness of the sheet, calculate the following
Area of cardboard sheet required to make the box

Answer 1

area of cardboard = curved surface area
=2(l+b)h+lb
=2(80+70)50+80*70
=2(150)50+5600
=100*150+5600
=15000+5600
=20600

Answer 2

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