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cimm
cimm
@cimm@fedi.suffix.be  ·  activity timestamp 4 weeks ago

Today I learned that a “Geodreieck” (or “geodriehoek” in Dutch) is only used in some European countries. It’s soooo prevalent here that I never considered it might not be universally used worldwide!

https://en.wikipedia.org/wiki/Set_square#Geodreieck

#maths #til

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