Answer:
c = pi ft
Step-by-step explanation:
The area is pi/4
The formula for area is
A = pi r^2
pi/4 = pi r^2
Divide each side by pi
1/4 = r^2
Take the square root of each side
sqrt(1/4) = sqrt(r^2)
1/2 = r
Now we want to find the circumference
C = 2 *pi*r
C = 2 * pi *1/2
C = pi
