sphere
A circle
sphere
a circle, centered at the given point.
Circle!
A circle.
Sphere?
circle
You can define a circle as the locus (set) of all points equidistant from a given point.
the set of points equidistant from a fixed point
A locus of points is just the set of points satisfying a given condition. The locus of points equidistant from a point is a circle, since a circle is just a set of points which are all the same distance away from the center
A circle is the set of all points in a plane that are equidistant from a given point, called the center.
Yes. This is also seen in conic sections.