What is the length of Equator?
The length of Earth’s equator is about 40,075.0 km, or 24,901.5 miles. The exact length is 40,075,016.6856 m in WGS-84, and 40,075,035.5351 m in IAU-2000. (http://en.wikipedia.org/wiki/Equator) WGS is World Geodetic System The World Geodetic System defines a reference frame for the earth, for use in geodesy and navigation. The latest revision is WGS 84 dating from 1984 (last revised in 2004), which will be valid up to about 2010. (http://www.answers.com/topic/world-geodetic-system) The equator, which measures c.24,902 mi (40,076 km), is designated as lat. 0°. It intersects N South America, central Africa, and Indonesia. (http://www.answers.com/topic/equator?cat=travel) Equator Great circle whose plane is perpendicular to the Earth’s axis (the line joining the poles). Its length is 40,092 km/24,902 mi, divided into 360 degrees of longitude. The Equator encircles the broadest part of the Earth, and represents 0° latitude. It divides the Earth into two halves, called the northern and the
