Question

Tick the correct answer:

The value of the prime meridian is _______.

• A. ${90}^o$
• B. $0^o$
• C. ${60}^o$
• D. None of these

Answer 1

Answer: (B)

$0^o$

A prime meridian is a meridian in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its antimeridian form a great circle. This great circle divides the sphere, e.g., Earth, into two hemispheres.