Answer:

c=πd  

Next, fill in the values that you know.

20.72 m=3.14 d

Then, divide both sides of the equation by 3.14

6.6=d

The answer is the diameter is 6.6 meters.

You can check your answer by substituting your answer in the original equation.

c20.7220.72===πd(3.14)(6)20.72

Step-by-step explanation: