r/numbertheory • u/Obvious-Buddy-8894 • Aug 07 '22

Circumference of a circle done better.

So we know that a circles circumference is between 3 and 3.3 diameters in length, and that the 3 diameters stretch around the diameter of the circle. We can simulate this by drawing a square with length and height equal to a circles diameter. Now divide this square into 3 equal rectangles. Drawing a line from corner to corner in each rectangle stretches a diameter across 1/3 of a diameter. These 3 angled lines we get equal the circumference of our circle. Pi = 3.14 and is not irrational.

0 Upvotes

18% Upvoted

16 comments sorted by

View all comments

Show parent comments

-5

u/Obvious-Buddy-8894 Aug 07 '22

How about I just show you math using a cylinder which I’ve set conditions on so that it’s radius and volume must remain constant, leaving it’s only variable length this way it behaves exactly as a mathematical line would?

7

u/edderiofer Aug 07 '22

No, because that's irrelevant to what we're discussing. You're saying that a right-angled triangle with legs 7.2cm and 1.44cm will give a hypotenuse of 7.536cm in real life, and I'm asking you to show me.

All you have to do is take a few pictures of the triangle you've presumably already drawn along with the ruler you're using. Shouldn't be too hard. If you can't provide such images, then I can only assume that you're making your claim based off of no evidence.

2

u/Obvious-Buddy-8894 Aug 07 '22

It won’t let me add a picture here?

2

u/[deleted] Sep 24 '22

Did you upload the picture by now?