The ratio between circumference of a circle and diameter is

- The ratio of circumference of a circle and its diameter is
- The ratio between the circumference of a circle and its diameter is always
- The constant ratio between circumference of circle with diameter is
- The ratio of circumference of a circle and its diameter is equal to
- The ratio between circumference and diameter of any circle is
- The ratio of the circumference of a circle and its diameter is always constant
- The ratio of the circumference of a circle and its diameter is always
- The ratio between the circumference and the diameter of a circle is numerically equivalent to
- The ratio between the circumference and diameter of a circle of radius is
- The ratio between the circumference and diameter of a circle of radius r is
- The ratio between the circumference and the diameter of a circle is always a constant