Geometry and trigonometry
Circle
The set of all points in a plane that are the same distance from one centre point.
Common notation (x−h)²+(y−k)²=r²
In one sentence
What does Circle mean?
The set of all points in a plane that are the same distance from one centre point.
How it is written
(x−h)²+(y−k)²=r²
A compact example
A circle with radius 3 has circumference 6π and area 9π.
Other names and search terms
circumference.
Clear answers
Questions about Circle
What does Circle mean in mathematics?
The set of all points in a plane that are the same distance from one centre point.
How is Circle written?
A common notation is (x−h)²+(y−k)²=r².
What is an example of Circle?
A circle with radius 3 has circumference 6π and area 9π.