2 answers:
Answer:2.866
Step-by-step explanation: Multiply Radius by 2
Answer:
28.26 (I think)
Step-by-step explanation:
d= c/pi
9= c/3.14
9*3.14= 28.26
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78.5/3.14 = 25
Answer:
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Step-by-step explanation:

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Answer:
9
Step-by-step explanation: