SOLUTION: A box with an open top is to be constructed from a rectangular piece of a cardboard with dimensions 12cm by 20cm,by cutting out squares,with side lenghts of 4cm,at each corner and

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Question 769385: A box with an open top is to be constructed from a rectangular piece of a cardboard with dimensions 12cm by 20cm,by cutting out squares,with side lenghts of 4cm,at each corner and then folding up the sides.
Find the volume of a box.
do l have to use this formula v=l*w*h but its 6marks.need help urgent please

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
By cutting out squares of 4cm at each corner
this reduces the size of the sides by 8cm
So, dimensions become 12cm by 4cm by 4cm
Volume = length*width*height
Volume = 192cm^3
Hope this helps.
:-)