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 ...

It may also be helpful to understand π (pi) and the circumference of a circle. The formula for the area of the circle is 𝑨 = π𝒓². To work out the area of a circle: Find the value of the ...