$ C = 2\pi R= 2\pi 55.24=347.08315\approx 347.08$ (cm)
$S=2\pi R^{2}=2\pi (55.24)^{2}=19172.687356\approx 19172.69 $(cm$^{2}$)
$ C = 2\pi R= 2\pi 55.24=347.08315\approx 347.08$ (cm)
$S=2\pi R^{2}=2\pi (55.24)^{2}=19172.687356\approx 19172.69 $(cm$^{2}$)