Math Memes

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Memes related to mathematics.

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1: Memes must be related to mathematics in some way.
2: No bigotry of any kind.

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Behold a Square (sh.itjust.works)

submitted 1 month ago by pastermil@sh.itjust.works to c/mathmemes@lemmy.blahaj.zone

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[–] TowardsTheFuture@lemmy.zip 4 points 1 month ago (1 children)

Parallelograms, not trapezoids. Kind of. Maybe. Or maybe trapeziums.

See… some define trapezoid as specifically one set of parallel sides (originally trapezium). Some as no parallel sides (originally trapezoid) Those two were swapped by some asshole, and then swapped back in England but not in America.

Though most now just say a trapezoid (or trapezium in England) is at least one set of parallel sides, which makes parallelograms a type of trapezoid. Which does make a rectangle a type of trapezoid.

They call only one pair of parallel sides a proper trapezoid instead.

[–] halcyoncmdr@lemmy.world 3 points 1 month ago

I totally forgot that parallelograms were a thing in all that. And I never even considered naming differences over time.