Geography, 15.10.2020 08:01 GaryCarmine
In Eratosthenes' method of finding the circumference of a planet, when at noon a vertical stick at the Equator casts no shadow, a vertical stick 2,500 kilometers away casts a shadow and makes an angle of 40o with the rays of the Sum. What is the circumference of this planet?
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In Eratosthenes' method of finding the circumference of a planet, when at noon a vertical stick at t...
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