Eratosthenes, a Greek philosopher measured the Earth’s circumference based on the angle of Sun rays at two different points. Which cities were they?
- A. Alexandria and Syene ✓
- B. Syene and Troy
- C. Alexandria and Troy
- D. Alexandria and Thebes
Correct Answer: A. Alexandria and Syene
Explanation
Eratosthenes measured the distance and angle of sun rays between Alexandria and Syene to determine the circumference of Earth.
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