The surface piece of cardboard with sides 20cm has a small square of side 4 cm cut out from each corner a box 4 cm deep. Find the volume of the box.
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vol card 20*20*20 = 8000
vol of 4 square cut= 4*4*4 = 64*4 = 256
ans 8000-256 =7744
vol of 4 square cut= 4*4*4 = 64*4 = 256
ans 8000-256 =7744
please also let the outer surface area of the same
question
please tell the outer surface area of box
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