Question

Circles help!!!!!!!!!

Answer 1

C = 2πr
C = 2(3.14)(9)
C = 6.28(9)
C = 56.52in
B. 56.52in

Answer 2

`The\ circumference\ of\ the\ circle:C=2\pi r\\\\r=9in;\ \pi\approx3.14\\\\therefore\\\\C\approx2\cdot3.14\cdot9=\boxed{56.52\ in}\leftarrow\ \boxed{answer:\ \boxed{B}}`