An imaginary line that runs from North Pole to South Pole is called ____?

An imaginary line that runs from North Pole to South Pole is called ____?

ایک خیالی لکیر جو قطب شمالی سے قطب جنوبی تک جاتی ہے ____ کہلاتی ہے؟
Explanation

A longitude is an imaginary line that runs vertically from the North Pole to the South Pole.

These lines, also called meridians, measure the distance east or west of the Prime Meridian.