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The circumference of a circle is 39.25 mm. What is the length of its diameter?
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23 votes
The circumference of a circle is 39.25 mm. What is the length of its diameter?

User Nevzatseferoglu
by
6.2k points

2 Answers

12 votes

Answer:

12.5

Explanation:

C = 2pir

39.25 = 2pir

(divide both sides by 2pi)

12.49366 = r

User Tomilov Anatoliy
by
6.1k points
2 votes

Answer:

d≈12.49mm

Explanation:

User Duckmayr
by
5.4k points
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