The circumference of a circle with a 2pi radius is: 39.58
Chat with our AI personalities
8pi, the circumference is 2pi multiply by radius
Circumference = 2pi*r Circumference = 86pi
area of a circle = pi * radius² = 1 radius = √(1/pi) circumference = 2pi * radius = 2pi * √(1/pi) = 3.5449077
Radius of circle: 12.5/2pi = 2 units rounded
Radius of circle: 132/2pi = 21cm to the nearest integer