The following are short descriptions of the circle shown below.
- is a line that would pass through two points on the circle.
- is a secant that would terminate on the circle itself.
- is a chord that passes through the center of the circle.
- is one-half of the diameter.
- Area of the circle
- Circumference of the circle
- Sector of a Circle
- Length of arc:
Area of the sector:
- Segment of a Circle
- Area of circular segment with s
Area of circular segment with s > ½ c: