There is no special name for the points that make up radial lines.
radius.
The radius of a circle or a sphere has infinite number of points.
They are 4 points on the circle, and 29 on or in the circle.
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The radius of a sphere is equal distance from the center of the sphere to all points within the sphere.
a chord is a line between two points on the circle the radius is a line from the center to the circle
It is the distance from the centre to all points on the surface of a sphere with a radius of 1 foot.
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what do you call the points of a compass
If you mean "what is the radius of a circle", then the answer is the line segment or length from the center of circle to the set of points that form the circle. The radius is also half of the diameter.
A radius is not a point but a line segment. The question is, therefore, rather confused.
The locus of points (or collection of all points) that are 10 centimeters from a given point would be a circle (of radius 10 cm) in two dimensions, and a sphere (of radius 10 cm) in three dimensions.