A Circle is a simple closed shape or a curve.
A Circle is the set of all points in a plane that are at a given distance from a given point, the centre.
Bangles are simple examples of a circle.
Let us consider the figure below to understand the basic terms associated with circle.
- OP, OQ, OR represents Radius.
- PQ is the diameter.
- APB and RQ is the Arc.
- Shaded region above AB is called a Segment.
- Shaded region between the arc RQ, radii OQ and OR is called Sector.