I'm not too sure about what you want to know but 16 oz is 1 pint.
It appears as if 12cm is half the length of the side so we can assume that the total length of one side is 24cm.
The area of a square is given by the equation
where s is the length of the side.

A=576
The area of this square is 576cm2.
Hope this helps!
2/15 sorry if it’s wrong all I did was just divide both of them
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