Circles - Radius, Diameter, Area and Circumference

Answer:
Hello! answer: 47.1
Step-by-step 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!