Answer:
Step-by-step explanation:
let r be the radius of sphere.
surface area=4πr²
[tex]volume=\frac{4}{3} \pi r^3\\\frac{surface~area}{volume} =\frac{4\pi r^2}{\frac{4}{3} \pi r^3} =\frac{3}{r} =\frac{3}{7}\\r=7\\circumferece~of~greater~circle=2\pi r=2 \times \pi \times 7=14\pi[/tex]
