Circles help!!!!!!!!!
\(The\ circumference\ of\ the\ circle:C=2\pi r\\\\r=9in;\ \pi\approx3.14\\\\therefore\\\\C\approx2\cdot3.14\cdot9=\boxed{56.52\ in}\leftarrow\ \boxed{answer:\ \boxed{B}}\)
C = 2πrC = 2(3.14)(9)C = 6.28(9)C = 56.52inB. 56.52in