The circumference of a circular garden is 122.46.
The formula for the circumference of circle =

Where 'r' is the radius of the circle
We need to find out radius 'r'
C =
where the value of
= 3.14
122.46 = 2 * 3.14 * r
122.46 = 6.28 * r
r = 19.5
The radius of the circle is 19.5