Respuesta :
Answer:
254.34
Step-by-step explanation:
You first have to know the formula which is
[tex]c = \pi \: {r}^{2} [/tex]
You multiply 9 by 9 which gives you 81.
[tex]c = \pi \times 81[/tex]
pi equals 3.14
so 3.14 × 81 = 254.34
Answer:
56.52
Step-by-step explanation:
i did the iready lol