Answer:
461.58
Step-by-step explanation:
Area of a sector =
[tex] \frac{theta}{360} \times \pi {r}^{2} [/tex]
[tex]12.25\pi \times 360 = 30 \times \pi {r}^{2} [/tex]
Divide both sides by 30
[tex]\pi {r}^{2} = \frac{12.25\pi \times 360}{30} [/tex]
Area of the circle = 147π = 461.58
