It doesn't matter what the circumference is. Whether it's a circle that's
small enough to fit on the end of your pinky, or a circle big enough for the
Earth to fit through it, the diameter is always
(the circumference) divided by (pi) .
If the circumference is 175.84, then the diameter is 175.84/π .
For 'pi', let's use 3.14 .
Then, the diameter is
175.84 / 3.14 = 56 .
56 can't be the exact diameter, because we used an approximation for 'pi'.
But it's close to the truth as 3.14 is.
