That's called a radius.
the radius
It is a radius
radius
It is the radius of the sphere
A radius.
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.
the radius
It is a radius
radius
This segment would be the radius of a circle.
The radius
It is the radius of the sphere
radii
Radiusradius
radius
Radius