TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://external-preview.redd.it/KQxc7sE5WmQ-bU3m6TkteQPh0YPBJ-2vQF7GsyhjvJo.jpg?auto=webp&s=50f0d15127b0f8a3a86a5312a8ffb5ba766a3543)
TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://artkarel.com/wp-content/uploads/2021/10/school-of-arabs-1024x614.jpg)
Mutazilism and Arab astronomy, two bright stars in our firmament
History of geodesy - Wikipedia
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://media.cheggcdn.com/media/7ed/7ed3394f-4e93-4326-ad36-bc8da7377fa2/phpouq51d.png)
Solved In Egypt, a Greek scholar and philosopher
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](http://www.malinc.se/math/iframeImages/t_eratosthenes.png)
Trigonometry - From Eratosthenes to Stellar Parallax
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://external-preview.redd.it/E2ShqBxYSSZAvV3Ss5f3vU50vHoCYrQIFt1W7DcprYc.jpg?auto=webp&s=4e73f2483526ff9fc7d6417525f5ed1e561961ad)
TIL about the Megagon, a shape with 1,000,000 sides that, even if
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://media.cheggcdn.com/study/994/994c17fb-7df1-40b7-a790-c35859c4c7dd/image.png)
Solved 1) [20] Eratosthenes, a Greek mathematician suggested
Solved The Greek mathematician Eratosthenes (ca. 276-195
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://igonzalez1.weebly.com/uploads/2/5/7/5/25754627/901195.jpg)
Ancient Scientists – Chapter 1: Eratosthenes – The Procrastinating
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Struve_Geodetic_Arc-fr.svg/220px-Struve_Geodetic_Arc-fr.svg.png)
History of geodesy - Wikipedia
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](http://www.classichistory.net/images/Archives/eratosthenesArchives/eratosthenes-parallel-sun-rays.jpg)
Eratosthenes - Measuring the Circumference of the Earth in 240 BC
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://www.nsta.org/sites/default/files/2020-03/Figure%202.png)
Measuring Shadows to Calculate the Size of Earth
![TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which](https://content.bartleby.com/qna-images/question/7fad00ba-060c-4bba-9dd7-69cea78a111e/37c37cda-0b87-4403-a525-905519564c98/8pd1md_processed.jpeg)
Answered: Over 2000 years ago, the Greek scholar…