That's called a radius.
radius
the radius
It is a radius
A radius.
It is the radius of the sphere
divide the line segment in half to aquire the center point
The line segment is the radius of a circle that connects the center of a circle to any point on its circumference.
radius
the radius
It is a radius
This segment would be the radius of a circle.
Radiusradius
The radius
radii
Radius
radius
It is the radius of the sphere