WebEratosthenes will always be remembered for the calculation of the Earth's circumference circa 240 BC, using trigonometry and knowledge of the angle of elevation of the Sun at noon in Alexandria and Syene (now Aswan, Egypt). The calculation is based on the assumption that the Earth is spherical and that the Sun is so far away that its rays can ... WebJul 3, 2024 · Known For: Eratosthenes was a Greek polymath who became known as the father of geography. Born: c. 276 BCE in Cyrene (present-day Libya) Died: 192 or 196 BCE in Alexandria, Egypt Early Life Eratosthenes was born around 276 BCE in a Greek colony in Cyrene, a territory located in present-day Libya.
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WebRecord yourself saying 'eratosthenes' in full sentences, then watch yourself and listen. You'll be able to mark your mistakes quite easily. Look up tutorials on Youtube on how to pronounce 'eratosthenes'. Focus on one accent: mixing multiple accents can get really confusing especially for beginners, so pick one accent ( US or UK) and stick to it. WebYouTube. GEOGRAPHY L3 Eratosthenes, first person to calculate the circumference of the Earth - YouTube ... era of althea level up guide
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WebA man of many talents, Eratosthenes was a librarian, geographer, mathematician, astronomer, historian, and poet. His friends at the library nicknamed him Pentathlos, or athlete who competes in five different events. The name seemed to fit a scholar who excelled in many fields of study. WebApr 10, 2024 · The Sieve of Eratosthenes is a popular algorithm that is used by middle-schoolers to calculate primes till 100. WebMay 31, 2024 · Eratosthenes was born in Cyrene, a city located in modern-day Libya, around 276 B.C. and in the year 236 B.C. became Chief Librarian of the prestigious Library of Alexandria. He made contributions in fields as apparently disparate as poetry, philosophy, mathematics, astronomy, history and geography, among others. findlay aggregation