The unit is unit.
The math doesn’t care, and what you’re on about only really matters if the units don’t start as all the same or if you start converting between things.
Comment on Let π = 5
jordanlund@lemmy.world 8 months agoWell, a r=10 and h=10 doesn’t mean much without units. 10 what? Feet? Meters? Inches? CM?
Let’s take the OG numbers and assume feet, so 5,000 cubic feet. That’s not a useful volume measurement.
1 cubic foot of water = 7.48052 gallons
So 5,000 cubic feet of water = 37,402.6 gallons. That’s a viable volume measurement.
1 cubic meter = 1,000 liters.
5,000 cubic meters = 5,000,000 liters.
FuglyDuck@lemmy.world 8 months ago
EddoWagt@feddit.nl 8 months ago
Its not supposed to mean anything, it’s about the equation not about the end result. We’re not calculating an actual cilinder
Tlaloc_Temporal@lemmy.ca 8 months ago
If we’re not calculating something useful, then why are we here and not in the library learing about the universe?
Better question: What curvature of space is necessary for the apparent value of π to be 5?
EddoWagt@feddit.nl 8 months ago
We’re learning maths, which is arguably the foundation of the universe.
I’m afraid that that is beyond the comprehension of my human existence
MinekPo1@lemmy.ml 8 months ago
honestly I don’t know if there is any way to measure curvature of space , but its slightly more curved than the surface of a ball (where π=~4.712)
MBM@lemmings.world 7 months ago
Kind of curious how you got that value. I think the ratio of circumference to diameter (“pi”) is actually smaller in spherical geometry, in the most extreme case (the equator) it’s just 1. You could say “pi = 5” for circles of a specific radius in hyperbolic geometry, I guess.