And to make sure that’s accurate, we can multiply the diameter, which goes through the centre of the wheel, by the ratio of pi ... π. Using π = 3۰142, find the circumference a circle with ...

The circumference is the perimeter of a circle. It is a length and so is measured in \(mm\), \(cm\), \(m\) or \(km\). An area is measured in square units: \(mm^{2 ...