this post was submitted on 08 Jun 2025
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[–] YiddishMcSquidish@lemmy.today 35 points 14 hours ago (15 children)

Oh let's get pedantic!

The curved edges technically have infinite "side".

[–] hansolo@lemmy.today 20 points 12 hours ago (3 children)

....and a square has four interior 90 degree angles.

...and based on the infinite number of sides for a curved line aspect, the "90 degree" angles would all be +/- the limit as it approaches zero, so never truly 90 degrees but always an infinite fraction away.

[–] jwmgregory@lemmy.dbzer0.com 1 points 3 minutes ago

the angles are interior if you go into the scary world of high level maths and their weird fucking geometries.

this is a square, from a certain point of view

[–] olafurp@lemmy.world 4 points 11 hours ago (2 children)

Yeah, we gonna need more rigor on this one.

"A square is a shape made up of four equally long lines a, b, c, d where a is perpendicular to c and d and parallel to b. Each of these lines meet exactly two other lines at it's ends."

I'm not a mathematician so there might an odd case somewhere in there. Maybe it has to be confined to a shared plane?

[–] sneezycat@sopuli.xyz 2 points 9 hours ago (2 children)

Lines are infinitely long... do you mean line segments?

Wikipedia has a good enough definition: "It has four straight sides of equal length and four equal angles." Nice and simple.

[–] olafurp@lemmy.world 2 points 14 minutes ago

Pentagon fits that definition also since it doesn't specify "it has four and only four" sides

[–] hansolo@lemmy.today 1 points 9 hours ago (1 children)

So you're saying this is the outline of a square in the astral plane? Because it sounds like you're saying this is a square in the astral plane.

[–] olafurp@lemmy.world 1 points 18 minutes ago

No, just a 2d plane

[–] YiddishMcSquidish@lemmy.today 5 points 11 hours ago (1 children)

Someone knows more calculus than they are letting on...

[–] hansolo@lemmy.today 3 points 9 hours ago

Hey, I failed the highest level of calculus possible. Twice.

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