Question

What is the circumference of a circle with radius r=10

Answer 1

`\begin{gathered} \text{Circumference = 2 x }\pi* r \\ r\text{ = 10} \\ \pi=3.14 \end{gathered}`
`\begin{gathered} \text{Circumference = 2 }*3.14*10\text{ } \\ \text{Circumference = 62.8 units} \end{gathered}`