Answer:
[tex]Circumference = 56.52 \cm\\\\Area = 254.34 \ cm^2[/tex]
Step-by-step explanation:
Taking π = 3.14
[tex]Circumference = 2 \pi r= 2 \pi \times 9 = 18 \pi = 18 \times 3.14 = 56.52 \ cm\\\\Area = \pi r^2 = \pi 9^2 = 81 \pi = 81 \times 3.14 = 254.34 \ cm^2[/tex]
