Answer:
perimeter of a square= 4 times square root of area

Pretty sure its number 2, 8m do you need the whole process?
Pi is the ratio of the diameter to the circumference
circumference/diameter=pi
that's why c=pid or c=2pir
some digits are <span>3.14159265358979323846264338327950288419716939
937510582097494...</span>
I think it would cost $120 dollars I'm not quite sure...
As a mixed number it’s 7 6/9 -not too sure about improper fraction. just know that repeating decimals always have a 9 as the denominator -hope that helps :)