Circumference refers to the boundary of a circle. The length of the circumference c is given by \(c=\pi d\), where d is the diameter. Alternatively, it is given by \(c=2\pi r\), where r is the radius.
Circumference refers to the boundary of a circle. The length of the circumference c is given by \(c=\pi d\), where d is the diameter. Alternatively, it is given by \(c=2\pi r\), where r is the radius.