Answer
A=5$\pi$
l=$\frac{2\pi\sqrt 5}{3}$
Work Step by Step
Total circumference=2$\pi$r=6$\pi$$\sqrt 5$
Total area=$\pi$r$^2$=45$\pi$
Area of sector=$\frac{1}{9}$(45$\pi$)=5$\pi$
Length of arc=$\frac{1}{9}$(6$\pi$$\sqrt 5$)=$\frac{2\pi\sqrt 5}{3}$
