Eratosthenes' Method

This is the method used by Eratosthenes to calculate the Earth's circumference 2,200 years ago.

 

Brendan O'Donoghue —

 
Materialtyp
Aktivität
Tags
angle  angles  astronomy  earth  exploration  geography  science 
Zielgruppe (Alter)
15 – 18
Sprache
English (United Kingdom)
 
 
 
© 2026 International GeoGebra Institute