circumference of a circle = 2*pi*radius or pi*diameter
Chat with our AI personalities
When the shape is a circle, then the perimeter is called"circumference".The circumference IS the perimeter of a circle.
Circumference of a circle: 2 x pi x radius.
If you mean the diameter and radius of a circle given the circumference it is:- diameter = circumference/pi radius = circumference/(2*pi)
(pi)D
The perimeter of a circle is its circumference