Answer:
circumference=2xpixradius
Ex: for #1, the radius is 6.4, so, to find the circumference you will do this:
2 times 3.14159265359 times 6.4= circumference.
Step-by-step explanation:
I will get reported if I give all the answers so I tried to help by saying how you can find the circumference answers to the questions.
