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

How did Eratosthenes manage to determine the circumference of the

Solved 1) [20] Eratosthenes, a Greek mathematician suggested

Circumference and Shape of the Earth Measure angle to star from

How did ancient mathematicians measure the circumference of Earth

Get Answer) - 115. Approximating the Circumference of Earth

Solved Eratosthenes Measures the Earth Around 240 BCE a

How did Eratosthenes know the exact, accurate, hour to measure the

Answered: . Circumference of the Earth The Greek…

The Greek mathematician Eratosthenes (ca. 276-195 BC) measured the

Eratosthenes - Wikipedia

Who discovered the diameter of Earth? - Quora