The circumference of a circle is 2*pi*radius.
For a circle of radius 148, we'll divide by pi (which is approximately 3.14159) and divide the result by 2. 148/
3.14159=47.1099
47.1099/2=23.55495
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If a circle circumference is 30 the radius is: 4.77
The circumference of a circle with a 2pi radius is: 39.58
The radius of a circle with a circumference of 59 is: 9.39
The radius of a circle if its circumference is 42 is about 6.68
A circle with a radius of 3.1cm has a circumference of 19.48cm