Question 813833
if the area of a circle is x, where x>0, then what is the circumference of the circle?
-----
Area = "x"
----
pi*r^2 = x
----
r^2 = x/pi
----
r = sqrt[x/pi]
------
Circumference = 2pi*r
C = 2*pi*sqrt(x/pi)
-----
C = 2pi*sqrt(pi*x)/pi
----
C = 2*sqrt(pi*x)
===================
Cheers,
Stan H.
===============