Question

The Earth's circumference was first determined by:

A. Aristotle using lunar eclipses.
B. Pythagoras with geometry.
C. Hipparchus with stellar parallaxes.
D. Erastothenes with solstice shadows.
E. Aristarchus with first and third quarter moon timings.

Answer 1

D. Erastothenes with solstice shadows

Step-by-step explanation:

Erastothenes calculated the circumference of the earth using the solstice shadows at two different places.