Answer:
15.7
Step-by-step explanation:
c=d×3.14 which equals 15.7
Answer:
5π or 15.70796327 (I don't know what to round to or if the answer is supposed to be in terms of pi so it could be either).
Step-by-step explanation:
[tex]2\pi(2.5) = 5\pi[/tex]
[tex]5\pi = 15.70796327[/tex]