Eratosthenes 2010-2011

Lyon France

Monday 22 June 2009
Lyon France
INRP CM1 enseignants
Longitude 04°50’ E
Latitude 45°44’ N
Angle + 22°30’ = +22,50°
  • gnomon 1m
  • ombre 41cm
  • angle 22,5°=22°30’

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