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Olivia wrapped a string around a circle and found it was 30 mm long. Approximately, what is the radius of this circle

A. r= 4.77mm
B. r= 7.5mm
C= r= 9.55
D= r= 15mm

User Turneye
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1 Answer

3 votes

Answer:7.5

Step-by-step explanation: cause I looked it up lol

User Neo M Hacker
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