Question

the earth is oval but then how radius is calculated

Answer 1

Answer:

Step-by-step explanation:

With a stade of 185 m, 804,000,000 stadia is 149,000,000 km, approximately the distance from the Earth to the Sun. Eratosthenes also calculated the Sun's diameter. According to Macrobious, Eratosthenes made the diameter of the Sun to be about 27 times that of the Earth

Answer 2

the earth is not oval .It is oblate spheroid .