Answered

The ratio of the area of a circle to the circumference of the circle (\(\frac{A}{C}\)) is \(\frac{7}{1}\). Find the circumference of the circle. Leave your answer in terms of pi.

Verified Answer :

\(\dfrac{\pi r^2}{2\pi r}=\dfrac{7}{1}\\ \dfrac{r}{2}=\dfrac{7}{1}\\ r=14\\\\ C=2\pi \cdot14=28\pi\)