The radius of a circular field is 70 metres.
Calculate it's circumference.
[tex]{{\rm{C=2 \pi r}}} \\ {{\rm{C=2 \times 3.14 \times 70meters}}} \\ {{\rm{C = 6.28 \times 70}}} \\ \boxed{\begin{array}{}{{\rm\red{\implies \: 439.6meters}}}\end{array}}[/tex]
