How many degrees from each other are the meridians on the hemisphere map and where are their values signed?

The meridians on the hemisphere map run at a distance of 10 degrees from each other.
For example: 50 degrees, 60 degrees, 70 degrees.
The meridian values are signed at the equator or near the poles.
The counting of meridian values starts from the prime meridian, which runs across London. On the map, it is fatter than the rest of the meridians.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.