Answer:
C = 81.64 cm
Step-by-step explanation:
You are given the circumference formula. Simply plug in your radius and multiply to get your final answer of 81.64 cm.
C =81.64 cm
The circumference is given by
C = 2 * pi *r
The radius is 13 and pi = 3.14
C = 2 * 3.14 * 13
