Answer:
option d -1 is the answer
Answer
answer is C.7200
First: 2.05
Second: 2.5
Third: 20.5
Fourth: 25
60π
Step-by-step explanation:
If the circle has radius of 30 units, substitute r=30 into the formula C = 2πr.
C = 2π(30)
C = 60π
