Respuesta :

Answer:

12.56

Step-by-step explanation:

The formula for circumference is:

Circumference = Pi x Diameter

In this case the diameter is 4.

So you can simplify Pi to just 3.14 and multiply that times 4 which gives you 12.56.

Hope this helped!

Answer::25.13

Answer:25.13

Step-by-step explanation: C=2πr=2·π·4≈25.13274

This is the correct answer to the question and thats the explanation

It wont let me turn it in for some reason