Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle, CO Email Address: cyates_at_garfieldre2.org Experimenter: CACK Latitude 39.55 Longitude: 107.61 Distance to Equator: 4,403 km Measured shadow angle in degrees: 41.6 Calculated Earth circumference: 38,102.8 km Comments:Received on Fri Mar 25 2011 - 12:16:42 PDT