Investigate the volume of an open box constructed by one piece of rectangular card that has all four corners having had squares cut out of them.
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Introduction The aim of this coursework is to investigate the volume of an open box constructed by one piece of rectangular card that has all four corners having had squares cut out of them. Firstly I will be studying the volume whilst changing the side of one length of the cut out square and the size of the original rectangle card. After I have investigated this relationship I will try to find out the formula for finding the cut size to get the largest volume for any specified original card size. Square card size I am going to begin by investigating a square card because this will give me a basic formula which I can elaborate on. I will start with a round number of 20cm for the length. This means that the maximum cut out square length I can cut out will be 9cm else I will have no box...

