The area (a=pir^2) of a circle with a radius of r is given by the formula and its diameter is given by (d = 2r) arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.
A=pi (d/2) ^2
d^2=2A/pi
d=sqrt2A/pi
A=4pid^2
d=sqrt4A/pi
d^2=4A/pi
A=pid^2/4
4A=pid^2
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