A metallic sheet of rectangular shape with dimensions 40 cm by 30 cm. From each one of its corners a square of 4 cm is cut off. An open box is made of the remaining sheet. Find the(A) volume of the box formed(B) cost of painting its lateral surface at the rate of rupees 8 per cm square
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AFTER cutting l=32;b=22
H=4
volume of box= lbh=2816
lateral surface area= 2bh+2lh+lb=1136
cost=9088
H=4
volume of box= lbh=2816
lateral surface area= 2bh+2lh+lb=1136
cost=9088
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