The table shows 3 circles with a given diameter.

Find the circumference of each circle, expressing each circumference as an exact answer in terms of straight pi.

Then find the ratio of the circumference to its diameter for each circle.

Circle Diameter Circumference Ratio of C over d
Circle A 18 Answer
56.55
Answer
Circle E 6.7 Answer
Answer
Circle Z 7 over 5 Answer
Answer

The ratio of the circumference to the diameter for the three circles equaled Answer
.

The ratio of any circle's circumference to its diameter will always equal Answer