A circle is a set of points in a plane that are at a fixed from the fixed .
A circle is a set of points that are at the same distance from a fixed point. The fixed point is called as the ___ of the circle.
A circle is the set of …… in a plane that are equidistant from a fixed point in the plane.
The fixed point in a circle which is at a fixed distance from any point on the circumference is known as the _______ of the circle.