"Lines" of constant longitude are "meridians".
Longitude lines are vertical.
Longitude lines
Longitude lines
Lines of longitude converge at the poles. The maximum longitude is 180 degrees, at the International Date Line.
meridians are also called longitude because they are the same word and they have the same meaning they just came up with another word for longitude
meridians or lines of longitude
Those imaginary lines are often called 'meridians'.
Lines of longitude, or meridians.
Parallel lines, by definition, cannot meet. The lines of longitude meet at the Poles.
lines of longitude are lines drawn north and south and measure east and west a famous line of longitude is the Prime meridian
Vertical lines parallel to the prime meridian are lines of longitude.
The highest longitude lines are the prime meridian at 0 degrees longitude and the 180 degrees longitude line. These lines mark the starting point for longitude measurements to the east and west, respectively.