168
Rule
(lemmy.blahaj.zone)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
Surely that's either a d0 or a d∞.
It has one side geometrically.
If you define the number to be the amount of flat surfaces the die can land on and you assume the surface is non-physically smooth, maybe. "maybe" because we can't see the underside, which might be flat.