If three-quarters of the pizza provided 12 pieces on the table, how many pieces were in the pizza when it was full?
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OCTA=8, an octagon has 8 sides, thus if one side is 6mm, then all sides, namely the perimeter, is 6+6+6+6+6+6+6+6, or 48.
now, we know what the apothem is.
now, we know what the apothem is.