Question

The ratio of the___of a circle to its___is approximately 3.14.

radius
diameter
circumference

Answer 1

Circles are all similar, and "the circumference divided by the diameter" produces the same value regardless of their radius. This value is the ratio of the circumference of a circle to its diameter and is called π (Pi).

Answer 2

The ratio of the circumference of a circle to its diameter is approximately 3.14.