Answer:
9
Step by step:
C= 2 x pi x r
c = 2 x pi x 4.5
c= 9 x pi
Explanation:
Hello There!
The circumference is equal to the diameter times π
The diameter given is 9m
NOTE: it says "leave answer in terms of π" meaning that we do not apply π to the diameter
So the answer would be just 9π
1.6m questions
2.0m answers