Yes if you're always measuring at the same radius from the centre of the hub - trouble is rims have different effective rim diameters (ERD). So the linear distance between spokes where they meet the rim can vary depending on how far they are from the centre.
Yes if you're always measuring at the same radius from the centre of the hub - trouble is rims have different effective rim diameters (ERD). So the linear distance between spokes where they meet the rim can vary depending on how far they are from the centre.