Question

Circles - Radius, Diameter, Area and Circumference

Answer 1

Answer: C=2πr=2·π·7.5≈47.12389

Step-by explanation: i did my math

Answer 2

Hello! answer: 47.1

Explanation:

Im using 3.14 for pi

Easiest way cirmcumfrence can be found in my opinion is diameter × pi and in the picture it clearly states are diameter is 15 so... 15 × 3.14 = 47.1 so therefore are circumference is 47.1 HOPE THAT HELPS!