The question does not state what we are required to do. However, the expression for the Circumference C, is provide below using the parameters given :
Answer:
Step-by-step explanation:
Given that :
Radius, r = 8.5 inches
Circumference, C = C inches
Circumference = 2 * pi * r
C = 2 * pi * 8.5
C = 17pi
