It has nothing to do with the curve being weird. You’re working with two length, and a length of a curve is no different from a length of a radius. You can have a circle where the circumference is exactly 1. In that case it’s the radius that’s bringing in the irrationality.
It has nothing to do with the curve being weird. You’re working with two length, and a length of a curve is no different from a length of a radius. You can have a circle where the circumference is exactly 1. In that case it’s the radius that’s bringing in the irrationality.