Multiple choice

Which one of the following is the greatest circle?

  1. Tropic of Cancer

  2. Tropic of Capricorn

  3. Equator

  4. Arctic Circle

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Equator is the greatest circle on Earth as it has the largest diameter among all circles of latitude. It divides the Earth into Northern and Southern Hemispheres and is approximately 40,075 km in circumference. The tropics and polar circles are all smaller circles.