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3 mars 220 av. J.-C. - Eratosthenes calculates the circumference of the earth. He figures out the difference in angle of the sun between Aswan and Alexandria and uses that.

Ajouté au bande de temps:

10 important events in mathematics

ByLil Thompson
7 févr. 2018

Date:

3 mars 220 av. J.-C.
Maintenaint
~ Il y a 2246 ans

Les images:

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