Question 536469
Area = 20 sq.ft
Area of circle = pi*r^2 
20 = pi* r^2
20/pi = r^2
6.366 =r^2
r= sqrt(6.366)
r=2.52

Circumference = 2*pi*r
Circumference = 2*3.14 * 2.52
Circumference= 15.82 ft

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