II. Eratosthenes' method Flashcards
1
Q
At Alexandria, the angle between the stick and its shadow was about ___, which corresponds to 1/50 of a full circle (360°).
A
7°
2
Q
The ancient Greek mathematician’s method of calculating the Earth’s circumference around 240 BCE.
A
Eratosthenes
3
Q
The distance between Syene and Alexandria was measured as _____ stadia.
A
5,000
4
Q
Exact circumference of earth in km.
A
40,030 km
5
Q
Exact circumference of earth in stadia.
A
250,000
