Question

A great circle isSelect one:a. any parallel of latitude.b. the shortest distance between two places on the surface of the earth.c. a circle of circumference whose center coincides with the center of Earth.d. a correct magnetic compass direction on a flat map.

Answer 1

Answer:

C. A circle of circumference whose centre coincides with the centre of earth.

Explanation:

• Geodetics is the science that tells about the center of spherical circles whose center coincides with that of a complete sphere.  

• The great circle also known as the Orthodrome is a sphere whose center passes through the central points of a sphere thus all great circles have the same center and circumference as each other.  

• In pair of antipodal points which is infinitely form many great circles. The prime meridian 0 degree is an example of this greater circle. They are common for navigation and aviation.  

• Having an equatorial radius of 6378.137 km of dividing the earth into two equal parts of north and south zones.