The longitude of a place on earth is its ?

The correct answer is Option (1) - angular distance east or west of the prime meridian

The longitude of a place is its · angular distance east or west of the prime meridian ·Longitude is the measurement east or west of the prime meridian. Longitude is measured by imaginary lines that run around Earth vertically (up and down) and meet at the North and South Poles. These lines are known as meridians. Each meridian measures one arc degree of longitude.