Eratosthenes

Meerut, India

March 2010

Meerut India NAS Inter College 29°00’N 77°42’E
Date Gnomon Shadow Angle
march 20th 70 cm 38.8 cm 29° N

we have done experiment data was following.
- length of device--- 70 cm
- length of shadow— 38.8 cm
- angle— 29 degree


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