Question

fixed distance is called ​

Answer 1

Answer:

A circle is the locus of points a fixed distance from a given fixed point. . Fixed point is known as Center. Center: A point inside the circle, all points on the circle are equidistant from the center point.

Answer 2

In Set-theoretic notations, A Circle is defined as the set of all points in a plane, which are equidistant from a fixed point...

This fixed point is known as the Centre of the circle...

And, that fixed distance is known as the Radius...