Answer:
I will give you the formula, you can do the calculations and I will confirm in a comment
Step-by-step explanation:
[tex]area = \pi {r}^{2} [/tex]
[tex]r = \frac{diamter}{2}[/tex]
[tex]area = \pi { \frac{d}{4} }^{2} [/tex]
[tex]circumstance = \pi d[/tex]
