Asked by anzar
The height of the sun from point A is larger than from point B by 4.92 degree.If the distance between A and B is 500 Km, How long is the circumference of the earth? ( assume that earth is perfect sphere)
Answers
Answered by
Damon
4.92/360 = 500/c
c = 36,585 km
approximate check
a degree on a great circle (around any circumference) of earth is 60 nautical miles :) (1.852 kilometers / naut mile)
360 * 1.852 * 60 = 40,000 close enough
c = 36,585 km
approximate check
a degree on a great circle (around any circumference) of earth is 60 nautical miles :) (1.852 kilometers / naut mile)
360 * 1.852 * 60 = 40,000 close enough
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