The X and Y axes meet at the origin.
It is called the origin.
vertex
a vertex
The origin
Tenths
It is called the origin.
The name of the starting point when plotting points on a graph is called the point of origin. It is located on the point (0,0) or where the x and y axes meet.
something
vertex
That's the "vertex" of the angle.
There is no specific name for lines that meet at one point, but lines that meet at a point, the point is called the intersection point.
Not it does not have a name. It's simply a a coordinate. The point where the equator and 180 degrees meet also does not have a name.
Horizon
a vertex
The origin
Tenths
boiling point, boiling point of water is 100C