The library of Eratosthenes

Beloeil

Sunday 28 September 2008 by perbosc


Beloeil Canada
Ecole le Tournesol
(72°48’ W - 45°35’ N)
date : 22/09/2008
gnomon : 15cm
shadow : 16,5cm
angle : 47°43’=47,72°
http://tournesol.csp.qc.ca/Sites_classes/gisele/index.htm

Chitré Panamá
Escuela Hipólito Pérez Tello
(80°25’ W - 07°58’ N)
date : 22/09/2008
angle : 08°20’=8,33°

ecart de latitude: 45°35’ -07°58’ =37°37’ = 37,62°
distance 37,62 x 111,1 = 4180km
circonférence : 360 x 4180 / (47,72-8,33) = 38 203 km


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