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Eratosthenes Experiment
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Instructions
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You need to enter your data in the yellow boxes. The calculated values will appear automatically in the blue boxes.
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To calculate angle
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Height of stick:
12cm
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Length of shadow:
13cm
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Angle:47,3degrees
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To calculate circumference with data from another school
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Both schools in the same hemisphere (both in northern hemisphere or both in southern hemisphere)
Schools in different hemisphere (N and S)
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Angle of school A
degrees
Angle of school A
degrees
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Angle of school B
degrees
Angle of school B
degrees
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Distance between the two schools:
km
Distance between the two schools:
km
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Circumference:#DIV/0!km
Circumference:
#DIV/0!km
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Error percentage with scientific value of 40,075 km:
#DIV/0!
Error percentage with scientific value of 40,075 km:
#DIV/0!
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To calculate circumference with data from equator
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Angle (as calculated above):
47,3degrees
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Distance between your school and equator:
4763km
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Circumference: 36258km
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Error percentage with scientific value of 40,075 km:
9,52%
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