It is the centre of the circle
Circle!
A circle.
Yes. A circle is defined as the set of all points in a plane equidistant from a given point (the center of the circle) - hence - all points of a circle must be co-planar by definition.
That set of points forms what is known as a "circle".
The center of the circle.
It is the centre of the circle
All points on the circumference of a circle drawn on a plane are equidistant from the single point on the plane which is the center of the circle.
THE center
Circle!
the center
The centre of a circle.
A circle.
The center of a circle is the point from which all points on the circle are equidistant.
Circle
A circle is the locus of all points equidistant from a given point, which is the center of the circle, and a circle can be drawn with a compass. (The phrase "locus of points for a circle" does not seem to be conventionally defined.) or true
All points equidistant from a center point.