Answer:
Definition of circle
Step-by-step explanation:
- 2nd - Definition of radius
- 4th - Definition of circle
- 6th - Definition of circle
All the points that lies on the circle must be same distance from the center.
This is given by the definition of a circle.
Additional
Radius is the length from the center to the points lying on the circle.
Distance formula:
Diameter of circle is from one end point to another end point lying on circle.