Answer:
The circumference is 351.68 millimeters or 352 millimeters.
Explanation:
The formula to find the circumference of circle is 2 * pi * radius.
Applying Circumference Formula: 2 * 3.14 * 56 = 351.68 millimeters.
If you need to round to the nearest hundredth, the answer would be
352 millimeters.
I think this is correct, please don't hate me if I'm wrong. ;D