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2:02
How Eratosthenes calculated the Earth's circumference
24.5M views
Oct 28, 2016
Facebook
Business Insider
6:12
How Eratosthenes calculated the circumference of the Earth in 200 BC
Feb 22, 2017
boingboing.net
How the ancient Greeks proved Earth was round over 2,000 years ago
Dec 27, 2017
BUSINESS INSIDER
Business Insider
0:05
GENERAL KNOWLEDGE "He is considered as the “Father of History” and also of geography. a. Miletus c. Herodotus b. Eratosthenes d. Hipparchus " #reelsfypシ2023 #reelsfbviral #reelsfb #reelsfacebook #reelsviral #reelsinstagram #reelschallenge #quiztimechallenge #quiz #generalknowledge | QUIZ ZONE
933 views
10 months ago
Facebook
QUIZ ZONE
Who is Eratosthenes? Life, Biography & Discoveries of Eratosthenes
Aug 7, 2011
planetfacts.org
Eratosthenes - Alchetron, The Free Social Encyclopedia
Jan 12, 2011
alchetron.com
Eratosthenes
Mar 29, 2021
worldhistory.org
Biography of Eratosthenes, Greek Mathematician and Geographer
Mar 7, 2017
thoughtco.com
2:14
Carl Sagan, Eratosthenes, and Earth's curvature
39.1K views
Nov 9, 2022
Facebook
Humanists UK
What was Eratosthenes famous for? - TimesMojo
Jul 17, 2022
timesmojo.com
2:00
Eratosthenes' method of calculation of Earth's circumference... | Filo
6K views
Mar 27, 2023
askfilo.com
SOLVED: Suppose Eratosthenes' results for Earth's circumference were quite accurate. If the diameter of Earth is 12,740 km, what is the length of his stadium in kilometers?
Oct 18, 2021
numerade.com
SOLVED:The Greek mathematician Eratosthenes (ca. 276-195 B.C.) measured the circumference of the earth from the following observations. He noticed that on a certain day the sun shone directly down a deep well in Syene (modern Aswan). At the same time in Alexandria, 500 miles north (on the same meridian), the rays of the sun shone at an angle of 7.2^∘ to the zenith. Use this information and the figure to find the radius and circumference of the earth. (FIGURES CANNOT COPY)
Apr 20, 2020
numerade.com
SOLVED:A Greek mathematician who lived in the 3 rd century B.C.E., Eratosthenes, devised a clever method to calculate the circumference of Earth. He knew that the distance between Aswan (then called Syene) and Alexandria was 5000 Greek stadia (a stadium was a unit of distance at that time), or about 500 miles. At noon of the summer solstice, the Sun cast no shadow on a vertical pole in Syene, but at the same time in Alexandria a vertical pole did cast a shadow. Eratosthenes found that the angle
May 12, 2020
numerade.com
Eratosthenes' Experiment: Fascinating Video Explains How He Accurately Calculated The Circumference Of The Earth With A Stick
Oct 24, 2017
thinkinghumanity.com
7:29
Eratosthenes
69.3K views
Mar 9, 2012
YouTube
MITK12Videos
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The Sieve of Eratosthenes
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Eratosthenes | Wikipedia audio article
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May 10, 2019
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Eratosthenes Calculates Radius of Earth
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Mar 2, 2017
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How to Pronounce Eratosthenes - PronounceNames.com
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Nov 5, 2013
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Physical Science 9.1f - Eratosthenes
86K views
Apr 14, 2009
YouTube
Derek Owens
5:50
Basic Math: Sieve of Eratosthenes
31.6K views
Dec 16, 2008
YouTube
The Video Math Tutor
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