Description : Which one of the following is the greatest circle? (1) Arctic Circle (2) Equator (3) Tropic of Cancer (4) Tropic of Capricorn
Last Answer : (2) Equator Explanation: A great circle, also known as an orthodrome or Riemannian circle, of a sphere is the intersection of the sphere and a plane which passes through the center point of the sphere, as ... in that it is a circle on the surface of the earth, centered on the center of the earth).