Answer:
C=2
r
Explanation:
To find the circumference of a circle you have to use the formula:
c= 2
r
c being circumference
r being radius
If your given diameter than divide that by 2 to get radius
[In case you need it in the future]
To find area of a circle use the formula:
A =
r^2
A being area
r being radius
If you need further assistance don't be afraid to reach out. I hope this helps!