The circumference of a circle radius r is given by
- The circumference of a circle with radius r is given by the formula
- The circumference c of a circle with radius r is given by the formula
- Use a line integral to verify that the circumference of a circle of radius r is given by 2r
- If r is the radius of a circle then its circumference is given by
- Circumference and area of the circle
- Radius and diameter of a circle
- How to find the circumference of a circle