[tex]\begin{gathered} \text{circumference }=\text{ 2}\pi r \\ r=\frac{\text{circumference}}{\text{2}\pi} \\ \text{circumference}=14\pi\text{ m} \\ r=\frac{14\pi\text{m}}{\text{2}\pi} \\ r=7m \\ \text{new raduis} \\ r=(7m)\cdot(12) \\ r=84m \\ \text{new circumference}=(84m)\cdot(2\pi) \\ \text{new circumference}=168\pi\text{ meter} \\ \text{The new circumference is }168\pi\text{ meter} \end{gathered}[/tex]
