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 ...

Working without a calculator, the circumference is the diameter value written before π. Using π = 3۰142, find the circumference a circle with a diameter of 9 m. Give the answer to 2 decimal places.