Eratosthenes

Xewkija, Malta

June 2007

Flag City Country School Latitude (°) +N/-S Longitude (°) +E/-W
Xewkija Malta Rosa Magro primary school 36.033 14.317
Date Gnomon Shadow Angle
June 15 100 cm 23 cm 12°57’ = 12.953°

15/06/2007


Distance between the parallels : Cañada de Gómez-Xewkija 7657km

Différence between the angles:
15°40’-(-53°09’)=(15+40/60)+(53+9/60)=15,667+53,150 = 68,817°

Circumference of the Earth=7657x360/68,817=40 056 km


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