Multiple choice general knowledge science & technology

The radius of earth is …. Km

  1. 6375.1

  2. 6377.1

  3. 6378.1

  4. 6379.1
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Earth's equatorial radius is 6378.1 km, which is the distance from Earth's center to the equator. Earth is not a perfect sphere but an oblate spheroid, so the equatorial radius is larger than the polar radius of approximately 6357 km.

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